{"id":3256,"date":"2018-04-16T08:00:24","date_gmt":"2018-04-16T13:00:24","guid":{"rendered":"https:\/\/braindevs.net\/blog\/blog\/?p=3256"},"modified":"2018-04-13T15:27:00","modified_gmt":"2018-04-13T20:27:00","slug":"can-rely-meta-analysis-can-doubt","status":"publish","type":"post","link":"https:\/\/www.learningandthebrain.com\/blog\/can-rely-meta-analysis-can-doubt\/","title":{"rendered":"Can You Rely on Meta-analysis? Can You Doubt It?"},"content":{"rendered":"

Over at his blog Filling the Pail, Greg Ashman likes challenging popular ideas. In a recent post, he takes issue with meta-analysis<\/a> as a way of analyzing educational research.<\/p>\n

\"\"<\/a><\/p>\n

In the first place, Ashman argues — in effect —\u00a0 “garbage in, garbage out.” Combining badly-designed studies with well-designed studies still gives some weight to the badly-designed ones.<\/p>\n

Of course, Ashman has some thoughtful suggestions as well.<\/p>\n

Why Does It Matter?<\/h2>\n

Why should we care about such an obscure and complicated statistical technique?<\/p>\n

Meta-analysis matters because we pay so much attention to it.<\/em><\/p>\n

For instance: just a month ago, a pair of meta-analyses about Mindset Theory set off another round of anxiety<\/a>. Edu-twitter lit right up with thoughtful scholars wondering if we should stop focusing so much on the right kind of praise.<\/p>\n

Or: I frequently rebut claims about working memory training by citing this well-known meta-analysis<\/a> by Melby-Lervag and Hulme.<\/p>\n

If we’re going to rely so much on this technique, we should be clear-minded about its strengths and its weaknesses<\/em>.<\/p>\n","protected":false},"excerpt":{"rendered":"

Over at his blog Filling the Pail, Greg Ashman likes challenging popular ideas. In a recent post, he takes issue with meta-analysis as a way of analyzing educational research. In the first place, Ashman argues — in effect —\u00a0 “garbage in, garbage out.” Combining badly-designed studies with well-designed studies still gives some weight to the […]<\/p>\n","protected":false},"author":18,"featured_media":3259,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[28],"class_list":["post-3256","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-lb-blog","tag-methodology"],"_links":{"self":[{"href":"https:\/\/www.learningandthebrain.com\/blog\/wp-json\/wp\/v2\/posts\/3256","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.learningandthebrain.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.learningandthebrain.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.learningandthebrain.com\/blog\/wp-json\/wp\/v2\/users\/18"}],"replies":[{"embeddable":true,"href":"https:\/\/www.learningandthebrain.com\/blog\/wp-json\/wp\/v2\/comments?post=3256"}],"version-history":[{"count":4,"href":"https:\/\/www.learningandthebrain.com\/blog\/wp-json\/wp\/v2\/posts\/3256\/revisions"}],"predecessor-version":[{"id":3261,"href":"https:\/\/www.learningandthebrain.com\/blog\/wp-json\/wp\/v2\/posts\/3256\/revisions\/3261"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.learningandthebrain.com\/blog\/wp-json\/wp\/v2\/media\/3259"}],"wp:attachment":[{"href":"https:\/\/www.learningandthebrain.com\/blog\/wp-json\/wp\/v2\/media?parent=3256"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learningandthebrain.com\/blog\/wp-json\/wp\/v2\/categories?post=3256"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learningandthebrain.com\/blog\/wp-json\/wp\/v2\/tags?post=3256"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}