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Why do you think the results are quantitatively weak? My first critique is just the small sample size with ~60 students and the tests, which appear to be differ
by jcfrei 12y ago
Why do you think the results are quantitatively weak? My first critique is just the small sample size with ~60 students and the tests, which appear to be different between the students.
- lomnakkus 12y agoThe OP alluded to p-values, and I think this may be relevant: https://www.youtube.com/watch?v=5OL1RqHrZQ8 (In short: p-values are pretty much useless as an indicator of "this experiment can be reproduced".) Not that this necessarily refutes the original article, I just thought it might be relevant to discussion.
- rhiever 12y agoIf you look in the methods, the experiment has been successfully reproduced twice after the initial trial with distinct cohorts of students.