A Professor Thinks That a Certain Movie Is Fun and Exciting

question 99

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A professor thinks that a certain movie is fun and exciting for students. He selects heart rate (HR) measured before and after the movie as the dependent variable for a study on 12 students. He figures if the students are having fun and are excited, the heart rate will be higher right after the movie. The following data have been obtained.

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Definitions:

Primitive Testes

The early form of male gonads that develop during embryonic stages, leading to the production of sperm and secretion of male sex hormones.

Androgens

A group of hormones, such as testosterone, that play a role in male traits and reproductive activity.

Dopamine

A neurotransmitter involved in the reward and pleasure centers of the brain, influencing movement, emotional responses, and the ability to feel pleasure and pain.

Sry Gene

A sex-determining gene on the Y chromosome that triggers the development of male physical characteristics in mammals.