A researcher placed male rodents in the presence and absence of a conspecific male.Cortisol (a stress hormone)levels were compared at both times.What type of t test is most appropriate for this study?
A) one-sample t test
B) two-independent-sample t test
C) related-samples t test
D) There is not enough information to answer this question.

Question

Quizplus · Accepted Answer

A related-samples t test would be appropriate for this study because the researcher is comparing cortisol levels before and after exposure to the conspecific male in the same group of rodents.

A Researcher Placed Male Rodents in the Presence and Absence