In Comparison with Purely Between-Subjects Experimental Designs,one Drawback of Purely

question 16

Multiple Choice

In comparison with purely between-subjects experimental designs,one drawback of purely within-subjects experimental designs is that:

• A)they usually do not do as good a job of controlling for individual differences
• B)they require the use of matching,which is very difficult to perform effectively
• C)they open the door to problems such as sequence effects or carryover effects
• D)they are usually more costly and time-consuming than between-subjects designs

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