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Improve Your Syllabus & Lesson Plan With “Prior Knowledge”
Andrew Watson
Andrew Watson

When I talk with my English students about The Glass Menagerie, we always identify the protagonist and the antagonist. This discussion helps them understand useful literary terms. It also clarifies their understanding of the play.

prior knowledge

Of course, as they consider this question, I want them to recall a similar conversation we had about Macbeth. In that play as well, we can struggle to determine who the antagonist might be.

In psychology terminology, I want my students to “activate prior knowledge.” Their discussion of The Glass Menagerie will improve if they think about their prior knowledge of Macbeth.

Here’s the simplest teaching strategy in the world. If I want them to think about Macbeth‘s protagonist before they discuss TGM, I can start our class discussion with Shakespeare.

Rather than hope my students draw on their prior Macbeth knowledgeI can ensure that they do so.

This remarkably simple strategy has gotten recent research support. In this study, Dutch psychologists simply told students to recall prior learning before they undertook new learning. Those simple instructions boosted students’ scores.

Prior Knowledge: From Lesson Plan to Syllabus

This research advice might seem quite simple — even too simple. At the same time, I think it helps us understand less intuitive teaching advice.

You have probably heard about “the spacing effect.” When students spread practice out over time, they learn more than if they do all their practice at once.

To illustrate this idea, let’s look at a year-long plan in a blog by Mr. Benney:

Benney Syllabus 1

As you can see, Mr. Benney teaches his first science topic in September. He then includes topic-1 problems in his students’ October homework (“lag homework”). He reintroduces the subject in December. And returns to it one final time in April.

Clearly, he has spaced out his students’ interactions with this topic.

But, notice what happens when he does this with all eight topics:

Benney Syllabus 2

For many teachers, May looks quite scary indeed. Students are learning topic 8. They’re doing lag homework on topic 7. They’re being reintroduced to topics five and six. And they’re being re-re-introduced to topics 2 and 3.

Six topics all at the same time?

And yet, spacing requires interleaving. If Mr. Benney spreads out topic 1, then it will automatically interleave with the topics he’s teaching in October, December, and April. You can’t do one without the other.

Believe it or not, we have research that “interleaving,” like “spacing,” improves student learning.

Why would this be? After all, May’s syllabus looks really complicated.

Perhaps recent research on “prior knowledge” explains this result. If students are thinking about several topics at the same time, then their prior knowledge from previous months remains active.

Macbeth isn’t something we talked about 3 months ago. We have talked about it several times, including just last week.

Here’s the equation. Spacing automatically leads to interleaving. And, interleaving in turn keeps prior knowledge active. These three teaching strategies combine in multiple ways to help our students learn.

Play More Chess, Get More Smarts?
Andrew Watson
Andrew Watson

As the school year begins, we all want our students to learn more stuff.

cognitive training

We want them to learn phonics rules, or multiplication tables, or Boyle’s law, or the importance of the 13th amendment.

We also might want them to learn more general skills.

We’d like them to learn how to learn. Or, how to manage their emotions. Or, how to focus on one thing at a time.

Must we accomplish our goals by teaching each of those topics specifically? Or, can we teach students one basic skill to help them learn everything else?

“Brain Fitness”? Cognitive Training?

For example: almost all athletes need to have a strong core and high levels of aerobic fitness. If, as a coach, I focus my work there, I help my players get better in almost all sports simultaneously.

Is there a brain analogue for “core strength and aerobic fitness”?

One popular answer to this question is: chess.

We’ve got lots of research showing that chess players score better on IQ and working memory tests than the general population.

Does it follow then that chess training increases general intelligence? If yes, then chess lessons would help students learn to read, and solve quadratic equations, and understand mitosis.

The research giveth…

In the short term, the answer is: “just maybe yes!”

When researchers crunched lots of data in a “meta-analysis,” they might have been optimistic that such cognitive training works.

That optimism, alas, lasted only briefly:

These results may be considered “cautiously promising.” In fact, they are not. The size of the effects was inversely related to the quality of the experimental design. Specifically, when the experimental groups were compared with active control groups — … to rule out possible placebo effects… [or] the excitement induced by a novel activity — the overall effect sizes were minimal or null.

In other words: the better the research, the less likely it was to show any benefit. Almost certainly, general cognitive training led to improvement only because participants believed it would.

Practical Implications

The bad news: we just don’t have good evidence that chess, or working memory training, or music lessons improve other cognitive abilities.

(Of course, chess lessons make people better at chess. Oboe lessons make people better at playing the oboe.)

The good news: school works. When we want our students to learn how to analyze a poem, we can teach them to do so: one beautiful poem at a time.

Resources to Get Started with “Embodied Cognition”:
Andrew Watson
Andrew Watson

The field of embodied cognition has gotten increasing attention in recent years.

The short version is: because our brains are attached to our bodies — in fact, our brains are a part of our bodies — bodies can help brains learn.

embodied cognition

The right kind of gesture, for example, can increase math learning.

Recent Reseach

Susan Goldin-Meadow has written thoughtfully about the importance of gestures for learning.

Frederic Vallee-Tourangeau has shown how that the use of physical objects can lead students to flashes of insight.

Sian Beilock–one of my favorite researchers–has written an introductory book called How the Body Knows Its Mind.

Most recently, the Learning Scientists have put together a collection of helpful resources to investigate this topic.

If you’re looking for new ways to help your students learn, you’ll find lots to love there.

Let’s Get Practical: When Should Students Self-Test?
Andrew Watson
Andrew Watson

Psychology can offer advice to teachers, but sometimes that advice is frustratingly vague.

We know, for example, that attention is important.

We know that it results from a combination of three neural processes: alertness, orienting, and executive attention.

But: what do teachers DO with that knowledge? How do we teach any differently?

Retrieval Practice Timing

retrieval practice timingFor example, we’ve seen lots of research showing that retrieval practice helps students learn.

That is: rather than simply looking back over material, students should somehow quiz themselves on it.

They might use flash cards.

They might try a “brain dump”: just writing down everything they remember on a topic.

They can use quizlet to review key points.

Given that lots of student learning happens with textbooks, teachers have a very practical question: when should they do that retrieval?

Textbooks often include practice questions. Should students try to answer them as they go along? Or, should they wait until they have read the full chapter?

Happily, this question can be studied quite straightforwardly.

Uner & Roediger had three groups of students read a chapter from a science textbook.

One group did nothing to review.

A second group reread key passages from the book.

A third group answered the self-study questions in the textbook. Some of those questions appeared at the end of a section. Some appeared at the end of the chapter. And some appeared in both places.

Which group remembered this information better two days later?

Retrieval Practice Timing, and Beyond

Unsurprisingly, the students who reread the information remembered a bit more than those who did not. The rereaders averaged a 44.8 on the quiz, whereas the one-time readers averaged a 34.2.

The self-testers? They averaged a 61.5.

As we’ve seen before, self-testing is a HUGE help.

(By the way, you might think “61.5 is a terrible score. That’s almost failing!” However, this isn’t a class test; it’s a relative measurement. The point isn’t what the students scored, but how the groups scored compared to each other. The self-testers remembered much more.)

What about the timing? Is it better to answer questions at the end of the section, or the end of the chapter.

As it turned out, both times worked equally well. As long as students do the retrieval practice, it doesn’t particularly matter at what point in the chapter they do so.

Here’s the intriguing finding: questions answered twice — both at the end of the section and and the end of the chapter — led to even higher learning.

That might not sound surprising, but other researchers have found that one retrieval practice exercise produces as much benefit as two.

Keepin’ It Real

Psychology researchers could easily get focused on studies in the lab. They can control variables better; they’re faster to run.

I always feel especially happy to find researchers who keep their gaze on practical classroom applications.

In this case, we’ve learned: a) that retrieval practice helps students learn from textbooks, b) that students can answer relevant questions at any time and still get this benefit, and c) that two attempts to answer the question are (or, at least, might be) better than one.

Attack of the Teenage Brain!: Understanding and Supporting the Weird and Wonderful Adolescent Learner by John Medina
Rebecca Gotlieb
Rebecca Gotlieb

John Medina, developmental molecular biologist and New York Times best-selling author, has written a book about how to parent and teach teenagers in light of what we know about adolescent social, cognitive, and neural development.  In Attack of the Teenage Brain!: Understanding and Supporting the Weird and Wonderful Adolescent Learner, Medina emphasizes that designing better high schools will require us to consider the development of executive functioning skills during adolescence.

Paradoxically, while elementary schools and schools of higher education in the U.S. are exceptionally strong, our high schools have mediocre performance by international standards. Investing in executive functioning, or the skills that help us effectively and cooperatively get things done, may offer our best opportunity for improving U.S. high schools, Medina argues. Countries whose high schools perform better than ours, also have adolescents with stronger abilities to self-regulate, switch perspective, and temporarily store and manipulate information—the three core components of executive functioning. Medina reviews research by Walter Mischel (reviewed here by Learning and The Brain previously) that shows that the ability to delay gratification, a component of executive functioning, can predict many aspects of children’s future personal, academic, and career success.

To understand how to capitalize on adolescents’ executive functioning skills, it is helpful to understand how the brain changes during adolescence. Using clear, vivid, and accessible analogies, Medina explains several aspects of adolescent neural development that have implications for how we teach them. For example, adolescents’ limbic areas—areas responsible for many of our emotional responses—reach mature levels before the prefrontal cortex, an area responsible for decision-making, planning, and inhibition. This mismatching maturational profile partially explains why adolescence is a time of great vulnerability, why adolescents are more drawn to rewards than deterred by adverse consequences, why they are sensitive to peer influence, and why rational decision-making is still a work-in-progress during adolescence.

In light of these developmental vulnerabilities of adolescence, how could we design better schools for teenagers? The answer begins with factors outside of school. Feelings of safety and strong adult relationships are critical for learning.  Indeed, adolescents in homes that feel safe have stronger executive functioning abilities. Using a parenting style (or teaching style) that both sets high expectations of children and provides large amounts of emotional responsiveness and love benefits students’ executive functioning greatly, and thus also their performance in school. Similarly, modeling adult relationships (e.g., between two parents) where conflicts can be resolved using calm and honest communication can offer these same benefits.

Exceptional teachers can buffer against the effects of unstable relationships at home, but there is no substitute for good parenting. To help parents employ an ideal parenting style and model a healthy conflict resolution style, schools should provide night classes to parents to help them learn to create more stable relationships at home. A complementary change would be for high schools to require social-emotional learning initiatives that include a sequenced progression through skills, active application of skills, and a focus on a few critical social skills (e.g., empathy). These programs have been linked to students doing better in school and enjoying it more.

Age fourteen is the peak onset of mental health disorders. High schools should be designed to help navigate the mental health challenges that arise during adolescence. For example, while fewer than 20% of teenagers spend more than 20 minutes a day in physical activity, exercise has been linked to cognitive skill, academic performance, and cerebrovascular density in key brain areas. Most importantly, exercise is about as helpful as antidepressants in treating depression. Medina argues that a gym should be the center piece of a school and sitting time should be replaced with walking time.

Starting school later in the morning to align with the natural shift in sleep patterns that occur during adolescence could help improve mental health and academic performance, and actually save districts money in the long run. Electronic and social media use, and especially the stimulation of electronic multi-tasking, may be contributing to high rates of anxiety in adolescence.  Mindfulness exercise can be an antidote, helping to regulate emotions and mood, improve focus, and reduce pain. Medina calls for the integration of mindfulness practices into schools and the creation of mindfulness rooms.

As exemplified throughout this book, Medina makes an argument likely to resonate with Learning and the Brain readers—cognitive neuroscience and education typically are studied separately from one another, but to support adolescents’ success and development, we need to consider multiple forms of development together. Indeed the neuropsychologically derived principles that Medina suggests are likely to improve adolescents’ learning and well-being. Parents, teachers, and school administrators would do well to head his advice.

Medina, J. (2018).  Attack of the Teenage Brain!: Understanding and Supporting the Weird and Wonderful Adolescent Learner. Alexandria, VA: ASCD.