Arthur Bakker

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Questions related from Arthur Bakker

Are there ways to characterize effect sizes that take into account the length of an intervention?

It has always surprised me that Cohen's d > 0.80 is considered a large effect size irrespective of the length of an intervention or treatment. How is contextual interpretation done in, say,...

01 January 2013 7,076 1 View

What are convincing examples of ontological innovations in design-based research apart from the ones that diSessa and Cobb give?

diSessa and Cobb (2004, JLS) mention metarepresentational competence and sociomathematical norms. Mor and Winters (2007) mention design patterns, Sandoval (2004) gives a brief example. But what...

01 January 2013 7,243 2 View