Questions below will be bases on the following study: A researcher wishes to test whether the drug, magnesium pemoline, has any influence on intelligence. Two groups of subjects are randomly selected from the population of Omega University students. Group A is given the magnesium pemoline and then tested on the Stanford-Binet IQ test. Group B is given a placebo and, then, also tested on the Stanford-Binet. Both groups are tested under identical environmental conditions.
-The dependent variable in this study is (are) the
A) magnesium pemoline
B) testing conditions
C) IQ scores
D) there was no dependent variable in this study

Question

Quizplus · Accepted Answer

The dependent variable in this study is the IQ scores of the subjects. The researcher wants to determine whether the drug has any influence on intelligence, so the IQ scores are the measure of intelligence and the variable that is being compared between the two groups. Magnesium pemoline is the independent variable, and testing conditions are the standardized environmental conditions under which both groups are tested.

Questions Below Will Be Bases on the Following Study: a Researcher