Significant period effect [Design Issues]

posted by jag009  – NJ, 2016-12-20 04:48 (1814 d 05:53 ago) – Posting: # 16860
Views: 7,866

Hi all,

Question. What can cause a period effect? Aside from carryover due to poor washout selection, and other unexplanable events (which I can't think of)?

If someone decides to analyze study samples by period instead of analyzing the samples after completion of all study periods, could that cause a significant period effect?

Is it possible to determine the interaction between period and sequence effect?

Thanks
John

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