A Bar Graph Displays the Mean Scores on a Test

question 19

Multiple Choice

A bar graph displays the mean scores on a test of mental rotation for students majoring in psychology or chemistry who have either high or low spatial abilities.Psychology and chemistry students with low spatial skills scored about 35 percent correct on the mental rotation test, while psychology and chemistry students with high spatial skills scored about 70 percent correct.What can be inferred from these data?

• A) There is an interaction between spatial ability and college major.
• B) There appears to be a main effect of mental rotation only.
• C) There appears to be a main effect of college major only.
• D) There appears to be a main effect of spatial ability only.

---

Definitions:

Gagnon

Refers to John Gagnon, a sociologist known for his work on sexual scripts which are societal norms and expectations regarding sexual behaviors.

Young Adults

Individuals in their late teenage years to their early twenties, transitioning from adolescence to adulthood.

Older Men

Refers to males who are significantly above the typical age of physiological maturity, often facing unique health and social challenges.

Sexuality

Encompasses the array of emotions, behaviors, and practices associated with the expression of sexual desire, intimacy, and identity.