Professors Who Teach Introductory Psychology Courses Often Hear Students Say

question 22

Essay

Professors who teach introductory psychology courses often hear students say that psychology is just "common sense." To test this assumption, Professor Empiricism administers a Fact or Fiction Survey at the beginning of the semester and then again at the end of the semester. She believes that after students are exposed to research-based evidence, students will score higher on the end-of-semester survey. Pre- and post-scores for a sample of her students are listed below:
a. Test the professor's hypothesis using a one-tailed, repeated measures t test with α = .05.
b. Calculate Cohen's d effect size and interpret the result.

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Definitions:

Emotionality

The quality or state of being emotional; the degree to which a person's behavior is affected by emotions.

Sentiment

A view or attitude toward a situation or event; an opinion influenced by feelings.

Genetics

The branch of biology that studies genes, heredity, and genetic variation in living organisms.

Agreeableness

A personality trait characterized by qualities such as being kind, cooperative, warm, and considerate towards others.