A psychologist measures the IQs of 20 students who ingested a "smart pill" and 20 students who ingested a "sugar pill" in order to determine if the pill had an effect on intelligence.To ensure peak performance,she tests all of the students on Wednesdays.In this experiment,the dependent variable is the

Question

Quizplus · Accepted Answer

The dependent variable is the variable being measured or observed in an experiment. In this case, the IQ score is the variable being measured in both groups of students who ingested the "smart pill" and the "sugar pill". The day of the week and the sex of the researcher are not relevant to the variable being measured, and the pill type is the independent variable that is being manipulated. Therefore, the best choice is C, IQ score.

A Psychologist Measures the IQs of 20 Students Who Ingested