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Experimental designs (repeated measures design (weaknesses (order affects …
Experimental designs
repeated measures design
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weaknesses
order affects ,ppts may become bored by the second condition and may do better or worse -ppts effect
increase chance of demand characteristics because the might work out the purpose of the study and help or hinder the researcher
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marched pairs design
description
matching ppts on key characteristics believed to effect performance on the test (time spent watching tv)
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