A researcher has completed a study in which an experimental group of 60 college students was formed into pairs and was requested to ask each other questions in preparation for an examination. A control group of 60 students was requested to quiz themselves in preparation for the same examination. Students' scores on the examination formed the dependent variable. What is the appropriate unit of statistical analysis for determining whether the examination performance of the experimental group differed from that of the control group?

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The Answer of A researcher has completed a study in which an experimental group of 60 college students was formed into pairs and was requested to ask each other questions in preparation for an examination. A control group of 60 students was requested to quiz themselves in preparation for the same examination. Students' scores on the examination formed the dependent variable. What is the appropriate unit of statistical analysis for determining whether the examination performance of the experimental group differed from that of the control group?

A Researcher Has Completed a Study in Which an Experimental