Juanita recruits participants for a study examining the impact of adrenaline on attraction. In her study she randomly assigns participants to either receive a placebo injection or an injection of adrenaline. All participants then rate the desirability of potential romantic partners. Juanita is conducting a(n) _____ and the appropriate statistical test is a(n) _____.
A) correlation; ANOVA
B) three-group experiment; independent samples t-test
C) two-group experiment; independent samples t-test
D) observational study; correlation

Question

Quizplus · Accepted Answer

Juanita is conducting a two-group experiment because she has two groups (placebo and adrenaline) and she manipulates the independent variable (type of injection). The appropriate statistical test for comparing means between two independent groups is the independent samples t-test.

Juanita Recruits Participants for a Study Examining the Impact of Adrenaline