A psychologist concludes his method would be effective for teaching math to all third graders on the basis of testing it on a selected group of third graders with a control group for comparison.He is making use of
A) descriptive statistics.
B) correlations.
C) inferential statistics.
D) z-scores.

Question

Quizplus · Accepted Answer

The psychologist is using inferential statistics to draw conclusions about the effectiveness of his method for teaching math to all third graders based on the results from a selected group of third graders and a control group. Inferential statistics are used to make generalizations about a population based on data from a sample.

A Psychologist Concludes His Method Would Be Effective for Teaching