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Author Archives: Andrew Watson

Andrew Watson About Andrew Watson

Andrew began his classroom life as a high-school English teacher in 1988, and has been working in or near schools ever since. In 2008, Andrew began exploring the practical application of psychology and neuroscience in his classroom. In 2011, he earned his M. Ed. from the “Mind, Brain, Education” program at Harvard University. As President of “Translate the Brain,” Andrew now works with teachers, students, administrators, and parents to make learning easier and teaching more effective. He has presented at schools and workshops across the country; he also serves as an adviser to several organizations, including “The People’s Science.” Andrew is the author of "Learning Begins: The Science of Working Memory and Attention for the Classroom Teacher."

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Laptop Notes or Handwritten Notes? Even the New York Times Has It Wrong [Reposted]
Andrew Watson
Andrew Watson
August-18-2020

Laptop Notes or Handwritten Notes? Even the New York Times Has It Wrong [Reposted]

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You’ll often hear the claim: “research says students remember more when they take notes by hand than when they use laptops.”

The best-known research on the topic was done in 2014.

You’ll be surprised to discover that this conclusion in fact CONTRADICTS the researchers’ own findings. Here’s the story, which I wrote about back in 2018…

Here’s a hypothetical situation:

Let’s say that psychology researchers clearly demonstrate that retrieval practice helps students form long-term memories better than rereading the textbook does.

However, despite this clear evidence, these researchers emphatically tell students to avoid retrieval practice and instead reread the textbook. These researchers have two justifications for their perverse recommendation:

First: students aren’t currently doing retrieval practice, and

Second: they can’t possibly learn how to do so.

Because we are teachers, we are likely to respond this way: “Wait a minute! Students learn how to do new things all the time. If retrieval practice is better, we should teach them how to do it, and then they’ll learn more. This solution is perfectly obvious.”

Of course it is. It’s PERFECTLY OBVIOUS.

Believe It Or Not…

This hypothetical situation is, in fact, all too real.

In 2014, Pam Mueller and Dan Oppenheimer did a blockbuster study comparing the learning advantages of handwritten notes to laptop notes.

Their data clearly suggest that laptop notes ought to be superior to handwritten notes as long as students learn to take notes the correct way.

(The correct way is: students should reword the professor’s lecture, rather than simply copy the words down verbatim.)

However — amazingly — the study concludes

First: students aren’t currently rewording their professor’s lecture, and

Second: they can’t possibly learn how to do so.

Because of these two beliefs, Mueller and Oppenheimer argue that — in their witty title — “The Pen is Mightier than the Laptop.”

But, as we’ve seen in the hypothetical above, this conclusion is PERFECTLY OBVIOUSLY incorrect.

Students can learn how to do new things. They do so all the time. Learning to do new things is the point of school.

If students can learn to reword the professor’s lecture when taking notes on a laptop, then Mueller and Oppenheimer’s own data suggest that they’ll learn more. And yes, I do mean “learn more than people who take handwritten notes.”

(Why? Because laptop note-takers can write more words than handwriters, and in M&O’s research, more words lead to more learning.)

And yet, despite the self-evident logic of this argument, the belief that handwritten notes are superior to laptop notes has won the day.

That argument is commonplace is the field of psychology. (Here‘s a recent example.)

Even the New York Times has embraced it.

The Fine Print

I do need to be clear about the limits of my argument:

First: I do NOT argue that a study has been done supporting my specific hypothesis. That is: as far as I know, no one has trained students to take reworded laptop notes, and found a learning benefit over reworded handwritten notes. That conclusion is the logical hypothesis based on Mueller and Oppenheimer’s research, but we have no explicit research support yet.

Second: I do NOT discount the importance of internet distractions. Of course students using laptops might be easily distracted by Twinsta-face-gram-book. (Like everyone else, I cite Faria Sana’s research to emphasize this point.)

However, that’s not the argument that Mueller and Oppenheimer are making. Their research isn’t about internet distractions; it’s about the importance of reworded notes vs. verbatim notes.

Third: I often hear the argument that the physical act of writing helps encode learning more richly than the physical act of typing. When I ask for research supporting that contention, people send me articles about 1st and 2nd graders learning to write.

It is, I suppose, possible that this research about 1st graders applies to college students taking notes. But, that’s a very substantial extrapolation–much grander than my own modest extrapolation of Mueller and Oppenheimer’s research.

And, again, it’s NOT the argument that M&O are making.

To believe that the kinesthetics of handwriting make an essential difference to learning, I want to find a study showing that the physical act of writing helps high school/college students who are taking handwritten notes learn more. Absent that research, this argument is even more hypothetical than my own.

Hopeful Conclusion

The field of Mind, Brain, & Education promises that the whole will be greater than the sum of the parts.

That is: if psychologists and neuroscientists and teachers work together, we can all help each other understand how to do our work better.

Frequently, advice from the world of psychology gives teachers wise guidance. (For example: retrieval practice.)

In this case, we teachers can give psychology wise guidance. The founding assumption of the Mueller and Oppenheimer study — that students can’t learn to do new things — simply isn’t true. No one knows that better than teachers do.

If we can keep this essential truth at the front of psychology and neuroscience research, we can benefit the work that they do, and improve the advice that they give.

Growing Mindsets in Argentina? [Repost]
Andrew Watson
Andrew Watson
August-11-2020

Growing Mindsets in Argentina? [Repost]

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Since I first published this post a year ago, there’s been an important change to its argument: the study I’m writing about now HAS been published in a peer-reviewed journal.

As the Mindset skepticism movement gains further steam, I was struck by a comment on this study from the invaluable Dan Willingham. If I remember this correctly, he tweeted (roughly): “The mystery is that we haven’t been able to make this theory work in the classroom.”

Note the elegant middle ground this comment finds. Willingham acknowledges both the decades of scrupulous work that Dweck and her colleagues undertook, and that classroom interventions haven’t had the effect we’d like (for most students).

He doesn’t say (as others mean-spiritedly imply) that Dweck is a fraud. He doesn’t say (as others blithely imply) that we don’t need to worry about the rising number of classroom non-replications.

Instead, he says: “this intervention works under some circumstances, but not under others. We don’t yet know why. If we did, that would be SUPER helpful.”

I myself — as I argue below — think that we went too far thinking that upbeat posters on the wall would radically change students’ motivation, and now we’re going too far in arguing the whole Mindset thing is bunk.

OF COURSE one-time interventions don’t work. Are we truly surprised by this? PERHAPS creating a different school climate will work. Is that so preposterous an argument?

In any case: here’s what I wrote in July of 2019…

Mindset theory has faced increasing skepticism in recent years.

For four decades — literally!–Carol Dweck and other researchers ran thoughtful studies with thousands of students. Over and over, they found that students who think about about their work in particular ways (shorthand, “growth mindset”) do better than those who don’t (“fixed mindset”).

Like other areas of psychology (think “power poses”), Mindset Theory has been caught up in the “replication crisis.”

In brief: if Mindset theory is true, then a mindset intervention should help no matter who does the intervening. It should work when Dweck’s team does it with her students, and when I do so with mine.

If it works only for Dweck, well, that doesn’t really help the rest of us.

And, several researchers have found that various strategies didn’t replicate.

A much publicized meta-analysis, published last summer, suggests that Mindset interventions had very small effects. (I myself think this meta-analysis has been over-interpreted; you can see my analysis here.)

Today’s News

Researcher and NYU professor Alejandro Ganimian has published research about a large-scale mindset intervention in Argentina.

Ganimian had 12th graders at 100 (!) schools read a passage arguing that “persisting through difficult challenges can develop the brain.”

The 12th graders then wrote “a letter to a classmate of their choice on the three main lessons from the reading and how they might help him/her.”

To keep the growth mindset message fresh, those letters were posted in the classroom.

He compared these students to 12th graders at 102 other schools that had not used this intervention.

The results? Nada. Nothin’. Bupkis.

Specifically:

This intervention had “no effect on students’ propensity to find challenging tasks less intimidating.”

It didn’t increase the likelihood that they would pay attention in class.

By some rough/indirect measures, it didn’t have an effect on the participants’ academic success.

As Ganimian sums up his results:

In nearly all outcomes, I can rule out even small effects. …

This study suggests that the benefits of growth mindset interventions may be more challenging to replicate and scale in developing countries than anticipated.

What Should Teachers Do?

First: two clarifying points. a) Ganimian’s research hasn’t been peer reviewed and published in a journal. It is currently a working paper, hosted on his website. [Ed. 8/2020: Ganimian’s research now has been published: see link at the top of this post.]

And b) I myself am not a neutral source in this debate. I’ve written a book about mindset research, and so I read Ganimian’s work through that lens.

Second: I think mindset strategies are likeliest to have an effect when used all together as a consistent, unified approach to student motivation.

That is: I’m not at all surprised that a “one-shot” intervention doesn’t have big results. (Some research has found success with “one-shot” interventions; I’ve always been skeptical.)

So, if you want to use mindset research in your classrooms, don’t do just one thing, once. A motivational poster really won’t accomplish much of anything.

Instead, understand the interconnecting strategies that promote a growth-mindset climate, and use them consistently and subtly. Heck, I can even recommend a book that will show you the way.

Third: Here’s what I wrote last October:

We should not, of course, ask mindset to solve all our problems. Nor should we ask retrieval practice to solve all problems. Or short bursts of in-class exercise.

No one change fixes everything.

Instead, we should see Mindset Theory as one useful tool that can help many of our students.

Obsessed with Working Memory [Reposted]
Andrew Watson
Andrew Watson
August-04-2020

Obsessed with Working Memory [Reposted]

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I’m on vacation for the month of August, and so we’ll be reposting some of our most-viewed articles.

We’re starting with our series on working memory: one of the most essential concepts from the field of cognitive science.

When I attended my first Learning and the Brain conference, I had never even heard of working memory.

Now, I obsess over working memory. And, I think all classroom teachers should join me.

Heck, I think everyone who cares about learning, curriculum, teacher training, and education should think about working memory. All. The. Time.

In this series of posts, I’ll start by defining working memory (WM) today. And in succeeding posts, I’ll talk about using that knowledge most helpfully.

Trust me: the more we think about WM, the more our students learn.

Working Memory: An Example

As an example of WM in action, I’m going to give you a list of 5 words. Please put those words in alphabetical order. IN YOUR HEAD. (That’s right: don’t write anything down…)

Okay, here’s the list:

Think of the five workdays of the week. (Hint: if you live in a Western society, the first one is ‘Monday.’)

Now, go ahead and put those five words into alphabetical order. Don’t peek. I’ll wait…

 

Probably you came up with this list:

Friday, Monday, Thursday, Tuesday, Wednesday

I do this exercise with teachers often. For most everyone, that’s fairly simple to do. I’m guessing you got it right quite easily.

Working Memory: A Definition

To succeed at that task, you undertook four mental processes.

First, you selected relevant information. Specifically, you selected the instructions that you read. And, you looked into your long-term memory to select the workdays of the week.

Next, you held that information. If you had let go of the instructions, or of the days of the week, you couldn’t have completed the task.

Third, you reorganized the days of the week according to the instructions. You started with a chronological list (Monday, Tuesday, Wednesday…), and converted it into an alphabetical lest (Friday, Monday, Thursday…).

In many WM tasks (but not this one), you might not only reorganize, but also combine information. If, for instance, you added up 7+12+4+18+6 in your head, you selected, held, and combined those numbers into a new number.

So:

Working memory is a limited, short-term memory capacity that selects, holds, reorganizes, and combines information from multiple sources.

In a later post, I’ll talk about some finer points in the definition of WM. For the time being, focus on those four verbs: select, hold, reorganize, combine.

Working Memory: An Acronym

Because WM is so important, it would be great if there were a handy acronym. Happily, there is!

Select

Hold

REorganize

Kombine

What does that get you? SHREK! (I know: I misspelled ‘combine.’ But: I lived in Prague for a year, so you can forgive me for that useful alteration.)

Working Memory in the Classroom

Now, ask yourself: which of these classroom tasks requires working memory?

That is: in which of these cases do your students have to select, hold, reorganize, and/or combine information?

Solving a word problem.

Comparing W.E.B. du Bois and Booker T. Washington.

Transposing a song into a new key.

Applying a new phonics rule to various combinations of letters.

Choreographing a dance routine.

The correct answer is: ALL OF THEM.

In fact, practically everything we do in school classrooms requires working memory. Often, it requires A LOT of working memory.

To Sum Up

We use WM to select, hold, reorganize, and combine (SHREK) information.

Students use WM constantly in classrooms, for practically everything they do.

Simply put: no academic information gets into long-term memory except through working memory. It’s that important.

Up next: we’ll highlight key facts about WM. Then we’ll talk about using that knowledge in your teaching.

This series continues:

Part II: Three Core Ideas for Working Memory

Part III: Anticipating Overload

Part IV: Identifying Overload

Part V: Working Memory Solutions

Part VI: Working Memory Resources

Deliberate Practice Doesn’t Align with Schooling (Well: Not Precisely)
Andrew Watson
Andrew Watson
July-28-2020

Deliberate Practice Doesn’t Align with Schooling (Well: Not Precisely)

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With his research into expertise – concert-level violinists, world-ranked chess players, elite runners – Anders Ericsson more-or-less created a new field of study.

How can we become amazingly awesome at challenging tasks? Ericsson has a system: deliberate practice.

As described in his book Peak (written with Robert Pool), deliberate practice has four key components:

Well defined, specific goals,

Focus,

Feedback (often from an expert, or an experienced teacher), and

Getting out of your comfort zone.

Gosh, that sounds a lot like school, doesn’t it? If we could structure our school thinking according to Ericsson’s research, perhaps we could help all our students become concert-level chemists, world-ranked fraction multipliers, and elite poetry analysts.

In fact, we already try to do so much of this, don’t we? We write goals on the board, encourage students to concentrate, give lots o’ feedback, and encourage students to try new things.

In other words: deliberate practice seems a perfect fit for schools. Obviously…

Or then again: maybe not.

The Popular Mistakes

Ericsson’s work has been most popularized by Malclom Gladwell’s book Outliers. You might oversimplify that book with this sentence: “The Beatles succeeded so spectacularly because they practiced 10,000 hours in Berlin.”

Peak briskly summarizes Gladwell’s inaccuracies:

First: 10,000 hours is a catchy round number, but lots of other numbers would have been just as accurate. 10,000 hours applies to one category of budding experts (musicians) at a particular stage (the age of 20) of learning one specific skill (the violin).

Second: even this much-touted number is correct only as an average. Half of the violinists whose data went into this number has practiced LESS than 10,000 hours.

Third: the Beatles weren’t practicing. They were performing. Ericsson’s research shows clearly: deliberate practice looks substantially different from ultimate successful performance.

These inaccuracies – important in themselves – also remind us: if we want to apply Ericsson’s research to our school work, we have to be more careful than Gladwell.

With that guidance in mind, let’s consider the fit between deliberate practice and education.

The GOALS Are Different

Research into deliberate practice focuses quite narrowly on specific kinds of learning.

He studied people wanting to be world champions in one (and only one) very specialized skill: chess, or hurdling, or concert piano playing.

He did NOT study what most teachers do: helping students be good enough at one skill to move on to the next.

For instance: I don’t want my students to win the “Angle-Side-Angle World Mathlympic Championship Gold Medal.” I want them to understand angle-side-angle well enough to move on to side-angle-side; and, ultimately, well enough to solve complex geometry proofs.

I don’t want them to win more National Mann Booker Nobel Book Prizes than anyone else. I want them to write good enough Macbeth essays so they’ll write even better Kindred essays.

In fact, I don’t want them to focus single-mindedly on any one thing. I want them to make gradual progress in all sorts of disciplines and skills: pottery, cooperation, Spanish, history, citizenship, driver’s ed.

It’s possible that deliberate practice will improve all kinds of learning – including school learning. But: let’s not be like Gladwell and simply make that assumption.

Our UNDERSTANDING OF TEACHING Is Different

Ericsson puts it this way:

One of the things that differentiates violin training from training in other areas – soccer, for example, or algebra – is that the set of skills expected of a violinist is quite standardized, as are many of the instruction techniques.

Because most violin techniques are decades or even centuries old, the field has had the chance to zero in on the proper or “best” way to hold the violin, to move the hand during vibrato, to move the bow during spiccato, and so on.

The various techniques may not be easy to master, but a student can be shown exactly what to do and how to do it. (Peak, p. 91)

Does that sound like education to you? Heck, we can’t get the field to agree on teaching strategies for one of education’s most foundational skills: learning how to read. Almost everything in our world is up for contentious debate.

Note that Ericsson is explicit: instruction techniques for algebra do not fit the pattern he studies. We don’t have decades-old tried-and-true techniques for teaching algebra (or grammar, or bunting).

That’s why education is hanging out with psychology and neuroscience: to develop and understand new techniques.

The Role of FEEDBACK Is Different

Ericsson’s model follows a precise feedback pattern:

The student practices a discrete skill.

The teacher provides specific feedback.

The student tries again, and improves.

The student recognizes her immediate progress, and continues to grow.

In education, however, the cause/effect relationship between feedback and progress gets MUCH more complicated.

Specifically, we know that short-term performance does not reliably predict long-term learning. In a research review that I cite often, Nick Soderstrom makes this important claim:

“Improvements in [short-term] performance can fail to yield significant [long-term] learning—and, in fact, … certain manipulations can have opposite effects on learning and performance.” (Emphasis added)

In fact, we’ve got an entire field of memory research that focuses on “desirable difficulties.” The relevant headline: if students get everything right immediately, their work isn’t difficult enough. We need them to be struggling more to ensure long-term learning.

If Soderstrom and the “desirable difficulties” team are right – and I certainly think they are – then the feedback pattern essential to deliberate practice doesn’t align with the kind of teaching and learning that schools prioritize.

We Think Differently about FUN

Throughout Peak, Ericsson and Pool emphasize that deliberate practice requires determination and focus, and rarely results in fun.

Experts don’t become experts because they enjoy this work more. They keep going despite their lack of enjoyment.

For instance, he describes a study of participants taking a singing lesson. Those participants who were NOT professional singers felt relaxed, energized, and elated after the lesson; it allowed them to express themselves in a way they didn’t usually get to do.

However, the participants who WERE professional singers felt relaxed and energized, but NOT elated. They were working, not expressing themselves. In Ericsson’s words, “there was focus but no joy” (p. 151).

Schools, however, want at least a little fun – maybe even a little joy – during the day. We needn’t focus excessively on making everything delightful. But, more than a deliberate practice model, we should keep in mind our students’ rightful need for connection and even elation.

In Conclusion

First: although I’m arguing that deliberate practice doesn’t necessarily promote the kind of learning that schools undertake, I do (of course!) admire this research pool, and Ericsson’s towering role in it.

Second: Education suffers from a strange problem right now: we’ve got too many varieties of plausible-sounding guidance.

The problem isn’t finding something to try. It’s deciding which of the dozens (hundred?) of options to choose.

I certainly think that a deliberate practice model might be useful for teachers to know – especially teachers who focus on creating world-level experts.

But: I don’t think it should be the primary educational model for most of us.

We should think about managing working memory overload. And fostering attention. And creating the optimal level of desirable difficulty.

Let’s not be like Gladwell and simplistically apply Ericsson’s model to our work. Let’s find the parts that fit us perfectly, and use those to help students reach their Peak.

If you’re the sort of person who reads this blog, you’re also the sort of person likely to know that Anders Ericsson passed away at the beginning of July. In addition to being a world-renowned scientist, he was also famous for being an immensely kind person.

Certainly that was our experience here at Learning and the Brain. We have so many reasons to miss him.

Retrieval Practice is GREAT. Can We Make It Better?
Andrew Watson
Andrew Watson
July-15-2020

Retrieval Practice is GREAT. Can We Make It Better?

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By now you know that retrieval practice has lots (and lots) (and LOTS) of research behind it. (If you’d like a handy comprehensive resource, check out this website. Or this book.)

The short version: don’t have students review by putting information back into their brains — say, by rereading a chapter. Instead, have them pull information out of their brains — say, by quizzing themselves on that chapter.

It’s REALLY effective.

When we know that a technique works in general, we start asking increasingly precise questions about it.

Does it work for children and adult learners? (Yes.)

Does it work for facts and concepts? (Yes.)

Does it work for physical skills? (Yes.)

Does it work when students do badly on their retrieval practice exercises? Um. This is awkward. Not so much…

That is: when students score below 50% on a retrieval practice exercise, then retrieval practices is less helpful than simple review.

How do we fix this problem?

“Diminishing Cues” and Common Sense

Let’s say I want to explain Posner and Rothbart’s “Tripartite Theory of Attention.” In their research, attention results from three cognitive sub-processes: “alertness,” “orienting,” and “executive attention.”

Depending on the complexity of the information I provide, this explanation might get confusing. If a retrieval practice exercise simply asks students to name those three processes, they might not do very well.

Common sense suggests a simple strategy: diminishing cues.

The first time I do a retrieval practice exercise on this topic, I provide substantial cues:

“Fill in these blanks: Posner and Rothbart say that attention results from al______, or_____, and ex_______ at______.”

A few days later, I might ask:

“Fill in these blanks: Posner and Rothbart say that attention results from ______, _____, and _______  ______.”

A week later:

“What three sub-processes create attention, in Posner and Rothbart’s view?”

And finally:

“Describe how attention works.”

The first instance requires students to retrieve, but offers lots of support for that retrieval. Over time, they have to do more and more of the cognitive work. By the end, I’m asking a pure retrieval question.

“Diminishing Cues” and Research

So, common sense tells us this strategy might work. In fact, I know teachers who have stumbled across this approach on their own.

Here at Learning and the Brain, we like common sense and we REALLY like research. Do we have research to support our instincts?

Yes.

In 2017, two researchers put together an impressive combination of studies.

They looked at different study strategies: review, retrieval practice, diminishing-cues retrieval practice.

They tested participants after different lengths of time: right away, 24 hours later, a week later.

They tested different amounts of studying: 3 sessions, 6 sessions…

You get the idea.

Because they ran SO MANY studies, they’ve got LOTS of data to report.

The short version: “diminishing cues retrieval practice” ALWAYS helped more than traditional review (rereading the chapter). And it OFTEN helped more than plain-old retrieval practice (self-quizzing on the chapter).

If you want the details, you can check out the study yourself; it’s not terribly jargony. The process is a bit complicated, but the key concepts are easy to grasp.

To Sum Up

Retrieval practice helps students learn.

If we want to ensure that it works optimally, we should use it multiple times — and successively remove more and more scaffolding from the retrieval practice questions we ask.

Common sense and research agree.

Executive Function Isn’t What You Think It Is (Maybe)
Andrew Watson
Andrew Watson
July-09-2020

Executive Function Isn’t What You Think It Is (Maybe)

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As a soccer coach, I want my students to get better at soccer.

As an English teacher, I want my students to get better at English.

And, as a hip-hop dance instructor, I want my students to get better at hip-hop dance.

To accomplish those goals, I usually teach them soccer, English, and hip-hop dance.

That is: I need to tailor my teaching SPECIFICALLY to the topic I want my students to learn. Sadly, for instance, when I teach English, I’m not helping students learn soccer (or math, or dance…)

Wouldn’t it be great if I could teach some GENERALLY useful skill that would boost their abilities in all those areas? This broad, overarching skill would make my students better soccer players, English essayists, and hip-hop dancers. That would be amazing…

Answer Number One

For a few decades now, we have mostly thought that the answer to that question is “no.”

Despite all the hype, for example, teaching young children to play the violin doesn’t make them better at math later on.

The exception to that general rule: EXECUTIVE FUNCTIONS.

When children get better at, say, inhibition, they improve across all their studies.

In soccer, they resist the temptation to run to the ball, and instead play their position.

In English, they break their bad habits — like using too many dashes — and choose good ones instead.

And in dance, they follow the tricky choreography that steers them away from the (super-tempting) downbeat.

So, executive functions — task switching, prioritizing, self-control, etc. — help students generally.

No wonder we spend so much time talking about them.

Answer Number Two

Professor Sabine Doebel wonders: what if that account of executive function is just wrong.

  • What if executive functions — like so many other things — depend on specific, local circumstances.
  • What if we don’t develop general abilities to inhibit actions, but we learn specifically that we shouldn’t run to the soccer ball (or use dashes, or step on the downbeat)?
  • And, what if getting better at one of those local skills doesn’t make me better at any of the others?

She explains this argument in a Tedx talk. Happily, this one includes an adorable video of children trying the famous “Marshmallow Test.” (It also has an even more adorable video of children trying the less-well-known “Card Sorting Task.”)

She has also recently published a think piece on this question in Perspectives on Psychological Science. This document, naturally, is more technical than a Tedx video. But it’s certainly readable by non-experts who don’t mind some obscure technical terminology.

Why Do We Care?

If the traditional account of executive function is accurate, then we can help students generally by training their EFs.

If Doebel’s account is more accurate, then — alas — we can’t.

Instead, we have to help students learn these specific skills in specific contexts.

Because Doebel is proposing a new way to think about executive functions, I don’t doubt there will be LOTS of institutional resistance to her ideas. At the same time, if she’s right, we should allow ourselves to be persuaded by strong research and well-analyzed data.

This question won’t be answered for a long time.

But, we can use our (general or specific) executive function skills, restrain our impatience, and keep an open mind.

What’s Better than Attention? Attention + LEARNING!
Andrew Watson
Andrew Watson
July-01-2020

What’s Better than Attention? Attention + LEARNING!

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To learn in school, I need to pay attention.

More precisely, I need to pay attention to the subject I’m learning.

If I’m attending to …

…the sudden snowfall outside, or

…the spider on the ceiling, or

…the odd squeaking sound coming from the radiator,

then I’m not paying attention to…

…the Euler bridge problem, or

…the subjunctive mood, or

…the process for setting group norms.

We teachers wrestle with this problem every day. What can we do to help students pay attention so that they learn?

But Does It Work in Real-World Classrooms?

This urgent question has an obvious answer — and that obvious answer has obvious problems.

Obvious Answer: exercise. We’ve got lots of research showing that exercise enhances various neural processes essential to long-term memory formation.

And, we’ve got research — especially with younger children — that movement and exercise in class enhance attention.

Obvious Problems:

First, all that research doesn’t answer the essential question: “do movement and exercise help students learn?” We know they enhance attention. And we know that extra attention should boost learning. But: does it really work that way?

Second, most of that research on in-class exercise happens with younger students. What about older students? And, by “older,” I mean “older than 3rd grade.”

Wouldn’t it be great if someone looked at the effect of exercise on attention and learning in older students?

Good News, and More Good News

A research team in Canada has explored these questions. And, they did so with a helpfully clear and sensible research paradigm.

They invited college students (who are, indeed, older than 3rd graders) to watch a 50 minute lecture on psychology.

One group watched that lecture straight through, with no breaks.

A second group took 3 breaks, each one lasting five minutes. During those breaks, they played a fun video game (“Bejeweled”). That is: they DID take breaks, but they DIDN’T exercise during those breaks.

A third group also took 3 breaks, each one lasting five minutes. During those breaks, they did aerobic exercises: jumping jacks, high knees, etc.. Like the second group, they DID take breaks. Unlike the second group they DID exercise.

The results?

Lots o’ good news:

First: the exercise group were considerably more alert during the whole lecture than the other two groups. (That is: their heart rate was measurably higher.)

Second: the exercise group paid attention much better. They remained on-task about 75% of the time during the full lecture.

By way of contrast, the no-break group started at 60% on task, and fell to 40%. And the video-game group — who took a break but didn’t exercise — fell from 70% to 30%. YIKES.

Third: We care about alertness and attention only if they lead to more learning. Well: 48 hours later, the exercisers remembered more.

That is: they remembered 50% of the lecture, whereas the other two groups remembered 42%.  (50% doesn’t sound like a lot. But the point is: it’s considerably more than 42%.)

So, this study tells us that older students (like younger students) benefit from exercise during a lesson.

Specifically, they remain more alert, stay on task more, and learn more.

BOOM.

Final Thoughts

First: I think it’s helpful to see how each research study builds on previous ones. This study gives us important new information. But, it does so by drawing on and extending research done by earlier teams.

In educational psychology, no ONE study shows anything. Instead, each study builds incrementally on earlier ones — and creates a more interesting, more useful, more complex, even more contradictory picture.

Second: in this study, the students watched video lectures. Their experience wasn’t EXACTLY like online learning. But: it was an interesting relative of online learning.

Should we extrapolate from this study to encourage our online learners to move? That doesn’t sound crazy to me.

Third: One interesting question in this study. The students who took breaks — including those who exercised — took MORE TIME than those who didn’t. The “no break” group took 50 minutes; the “exercise break” group took 65.

So: they learned more — AND it took more time for them to do so. We have to be honest with ourselves about that finding.

My own view: I’d rather give up some class time for exercise if it means students attend and learn more. And, if that means I have to present less content, I’m okay with that exchange.

After all: it doesn’t matter if I teach material that students don’t learn. My job is to help them remember. Exercise breaks do just that.

What’s the Ideal Size for Online Discussion Groups?
Andrew Watson
Andrew Watson
June-24-2020

What’s the Ideal Size for Online Discussion Groups?

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We’re all learning lots about online teaching these days: new software (Zoom), new vocabulary (“asynchronous”), new fads (teaching in pajamas).

In many cases, we’re just going with our instincts here. Relying on our experience, we know to [insert technique here].

But because this is Learning and the Brain, we’d like some research to support whatever technique we inserted.

I’ve been reading about “online social presence” lately, and the research here offers lots of helpful insights.

Defining and Exploring “Social Presence”

Unlike many terms in the world of educational psychology (I’m looking at you, “theory of mind”), “online social presence” means what it sounds like.

When we’re together in a classroom, my students and I have a social presence. We’re aware of ourselves as a functioning group. We rely on lots of familiar cues — body language, facial expression, direction of gaze — to navigate those social relationships.

Of course, those familiar cues barely function online. What does “direction of gaze” mean when my laptop camera sees me looking at the lower left image in a Zoom video array?

Many teachers I talk with instinctively know to focus on building a greater sense of online classroom community. Breakout rooms and discussion boards, for instance, let students work with each other in smaller groups.

While it’s hard to participate effectively in a discussion with 30 people — heck, it’s hard to think clearly in an online discussion that large — the right-sized group might foster better conversations and closer connections.

But: what’s the “right-sized group”?

Instincts and Research

In informal discussions, I keep hearing “four or five.”

For no explicit reason, it just seems plausible that we can track an online conversation among the five of us. More than that will get hard to track. Fewer than that will get awkwardly quiet.

Unsurprisingly, researchers have been looking at this question.

One research team, for instance, measured their students’ evaluations of “social presence” in an online masters class in — appropriately enough — “Assessment and Data Analysis.”

For half the term, these students participated in online discussion boards with all 16 members of the class.

For the second half, their discussion groups shrank to 4 or 5.

What did the researchers learn?

Initial Findings, and Beyond

Sure enough, the smaller groups made a big difference.

According to the students’ own ratings, they felt that the small groups enhanced social presence. And, intriguingly, they felt a greater sense of commitment to this smaller group. (Large groups often create a sense of “social loafing,” where participants feel that others will do the heavy lifting.)

In the students’ own words:

“I felt as though I became very familiar with another student’s ideas and thoughts when I was in a small group of four.”

“This format allows us to connect more to previous conversations instead of having to rehash material that was discussed in earlier conversations.”

In other words, we’ve got some research that supports our teacherly instincts: 4 or 5 students works well to promote online social presence.

Always with the Caveats

At the same time, I think we should keep an open mind on this topic.

First: we don’t have lots of research here. I’ve found a few studies, and they all point in roughly the same direction. But we don’t have nearly enough research to have strong opinions, or to be granular in our recommendations.

That is: we don’t know if different age groups benefit from different numbers in small groups. We don’t know about cultural differences. We don’t know if physics discussions benefit from larger numbers than do … say … history discussions. (I don’t know why that would be true, but we don’t have research either way.)

Second: I think we should focus particularly on the students’ age. Most of the research I’ve seen focuses on college students.

This study I’ve briefly summarized looked at graduate students — who had, by the way, signed up for an online masters program. In other words: they’re probably especially open to, and especially interested in, online discussions.

So, I wouldn’t be surprised if this research doesn’t apply directly to 2nd graders.

Because I’m a high school teacher, I don’t have a prediction if younger students would do better in smaller or larger groups. If you teach K-8, I hope you’ll let me know what your predictions would be.

In Sum

Teachers can foster social presence in online classrooms by having relatively small breakout groups and discussion boards.

Until we get more detailed research, we can follow our teacherly instincts to right-size those groups. The research we have suggests that 4 or 5 is the place to start.

“How to Study Less and Learn More”: Explaining Learning Strategies to our Students
Andrew Watson
Andrew Watson
June-16-2020

“How to Study Less and Learn More”: Explaining Learning Strategies to our Students

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Because cognitive science gives us such good guidance about learning, we want to share that information with our students.

“Study THIS WAY!” we cry. “Research says so!”

Alas, all too often, students don’t follow our advice.

A key part of the problem: the research that supports our advice is — ahem — really complicated and abstract. We might find it convincing, but our students’ eyes glaze over when we try to explain.

Because I talk frequently talk with students about brain research, I’m always on the lookout for research that…

… is methodologically sound,

… supports useful studying advice, and

… is easy to explain.

I’ve found such a study [updated link], and I think we can explain it to our students quite easily.

Two Are Better Than One

We all know the research showing that sleep helps consolidate long-term memory formation (fun studies here).

We all know the research showing that spreading practice out is better than doing it all at once (fascinating research here).

How about doing both? How about doing two study sessions, and sleeping in between them?

If we could convince our students to adopt those two strategies, that would be GREAT.

And, the research necessary to test that advice is — conceptually, at least — easy to do.

Students learned a topic: French-Swahili word pairs. (This research was done in France.)

Half of them did that at 9 am, and then tested themselves 12 hours later, at 9 pm. (Note: they did not sleep between these two sessions.)

How many times did these non-sleepers have to go through their flashcards to get all the answers right?

On average, they reviewed flashcards 5.8 times to get all those word pairs right. (For the sake of simplicity, let’s just call that 6.)

The other half learned the French-Swahili word pairs at 9 pm. They then got a good night’s sleep, and tested themselves 12 hours later, at 9 am.

How many times did the sleepers go through flashcards to get all the word pairs right? On average, they got them all right on the third attempt.

That’s right: instead of 6 review sessions, they needed 3.

Can We Do Better?

Okay, so far this study is easy to explain and shows real promise. Because they spread practice out AND slept, they cut study time IN HALF to get all the answers right.

But, so far this research measures learning 12 hours later. That’s not really learning. What happens if we test them later?

Specifically, what happens if we test them 6 months later?

Hold onto your hat.

When the researchers retested these students, the non-sleepers remembered 4 of those word pairs. The sleepers remembered 8 pairs.

So: HALF as much review resulted in TWICE as much learning 6 MONTHS later.

The Headline Please

When I talk with students about brain research, I start with this question: “Would you like to study less and learn more?”

I have yet to meet the student who doesn’t get behind that goal.

This easy-to-explain study shows students that half as much review leads to twice as much memory formation — if they both spread practice out over time and sleep between review sessions.

I think we have a winner.

What’s Better Than Caffeine (And Doesn’t Require Electrodes)?
Andrew Watson
Andrew Watson
June-12-2020

What’s Better Than Caffeine (And Doesn’t Require Electrodes)?

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Although we can’t improve our students’ working memory capacity, we can help them use the WM they’ve got more productively.

We have lots of teaching strategies to accomplish this goal. Well-designed visuals, for instance, divide WM demands between visual and auditory channels. In this way, they functionally reduce cognitive difficulties.

Our students could also do what our colleagues do: use caffeine to boost cognitive performance. When I have my morning tea, that jolt of caffeine doesn’t increase my working-memory capacity, but it helps me use it better. (In the short term, the cognitive result is the same.)

Is there anything else we can do that doesn’t involve drugs?

So Crazy That It Just Might Work

How about exercise?

If caffeine jolts me awake enough to help me use WM more effectively, couldn’t old-fashioned exercise have that same effect?

Researchers in Canada wanted to know just that. Is exercise as effective as caffeine in temporarily boosting WM performance?

To answer this question, they did all the things you’d want them to do. They had different groups of participants take WM tests before and after different combinations of caffeine and exercise.

They controlled for age. They controlled for the amount of caffeine that people usually drank. They controlled for the amount of exercise that people usually did. (If you want all the details, you can read ’em here.)

The result: sure enough, exercise temporarily boosts WM function as much as caffeine does.

And, it doesn’t lead to a post-caffeine crash they way caffeine use does. (Yes: the researchers did measure “caffeine withdrawal symptoms.”)

In this case, 20 minutes of moderately paced walking did the trick. In schools, I’m thinking recess, or PE, or even passing time between classes just might serve the same function.

If we want our students to think more clearly, let them move.

But Can’t We Zap the Brain with a Gizmo?

Given the importance of working memory for schools, you’d think someone would make a brain zap app.

Oh wait, they have. Lots of times.

My friend Scott MacClintic just sent me a link to this “biolelectric memory patch,” which claims what you expect it to claim. (They have in-house research to show that it works!)

Happily, the article Scott sent me includes many reasons to be skeptical of this gizmo. If you’d like another set of reasons, you can check out this article over at JSTOR daily.

The short version is: recent decades have see LOTS of products claiming to enhance WM capacity. With alarming consistency, those products just don’t work. Lumosity’s wallet is $2,000,000 lighter after a fine for misleading claims. (You read that right: two million dollars.)

So, who knows, maybe at last this will be the brain gizmo that works. If I had two million dollars, I wouldn’t bet on it.

Until we get better research, we’ve got two proven strategies to help students use working memory well: skillful teaching, and exercise.

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