A psychologist designs an experiment to determine if the number of adults' eye contacts with children would increase the number of children's smiles. In this study, the number of
A) children's smiles is the independent variable.
B) adults' eye contacts with children is the dependent variable.
C) adults' eye contacts with children is the independent variable.
D) children's smiles is the correlative variable.

Question

Quizplus · Accepted Answer

In this study, the psychologist is manipulating the number of eye contacts that adults have with children in order to observe its effect on the number of smiles exhibited by the children. Therefore, the independent variable is the number of adults' eye contacts with children (which is being manipulated) and the dependent variable is the number of children's smiles (which is being measured).

A Psychologist Designs an Experiment to Determine If the Number