A researcher conducts a study measuring differences in brain activity among rats placed on either a continuous or intermittent reward schedule.Assuming that the population variance is unknown,what type of t test is appropriate for this study?
A) one-sample t test
B) two-independent-sample t test
C) There is not enough information to answer this question.

Question

Quizplus · Accepted Answer

Since the study involves comparing the brain activity of two groups of rats (continuous vs intermittent reward schedule), a two-independent-sample t test is appropriate. This test is used when comparing the means of two independent groups and assumes that the population variance is unknown.

A Researcher Conducts a Study Measuring Differences in Brain Activity