Exhibit 2-3: In a study designed to investigate the effect of self-recitation on recall, an investigator asked two groups of 10-year-olds to memorize a number of statements.The subjects of Group I were told to read the statements repeatedly.The subjects of Group II were told to read the statements repeatedly and also to spend some of their time to test their recall by self-recitation.Later, both groups were given a test of memory for the statements.Statistical analysis of the scores showed that the subjects of Group II obtained significantly higher scores than those of Group I.
-Refer to Exhibit 2-3.In this study the method of memorizing that the subjects were told to use was the
A) independent variable
B) dependent variable.

Question

Quizplus · Accepted Answer

The method of memorizing, either by reading statements repeatedly or by adding self-recitation, was the independent variable because it was deliberately manipulated by the investigator to observe its effect on recall. The dependent variable was the test scores obtained by the subjects, which were influenced by the independent variable.

Exhibit 2-3: in a Study Designed to Investigate the Effect