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.The memory test scores in this study were
A) the dependent variable.
B) the independent variable.
C) a constant.

Question

Quizplus · Accepted Answer

The memory test scores are the variable being measured and therefore, the dependent variable. The independent variable is the different methods used for memorization (reading statements repeatedly and self-recitation). The option of a constant is incorrect as the scores are not a fixed or unchanging value.

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