Comment on Chen and Lin â€œDoes downloading Powerpoint slides before the lecture lead to better student achievement?â€
Chen and Lin (2008) is an interesting attempt to measure the effect of students having access to PowerPoint slides before a lecture. They argue that such access leads to better learning outcomes as measured by higher exam marks. While their empirical results shed some light on studentsâ€™ use of PowerPoint slides, I argue that they have not succeeded in isolating the treatment effect and the correlations cannot be interpreted as causal.
Volume (Year): 10 (2011)
Issue (Month): 1 ()
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