An Experimenter Tests the Hypothesis That Physical Exercise Helps People's

question 66

Multiple Choice

An experimenter tests the hypothesis that physical exercise helps people's mood (makes them happier) . Subjects in the experimental group participate on Monday and Tuesday and those in the control group on Wednesday and Thursday. What is the extraneous (confounding) variable?

• A) the hypothesis
• B) the day of the week
• C) the exercise
• D) the mood (degree of happiness)

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Definitions:

Anterograde Amnesia

An inability to form new memories following the onset of an amnesia-causing event, though long-term memories from before the event may remain intact.

Hippocampus

A region of the brain associated with the formation of new memories and spatial navigation.

Anterograde Amnesia

A loss of the ability to create new memories after the event that caused the amnesia, leading to a partial or complete inability to recall the recent past, while long-term memories from before the event remain intact.

Coma

A state of deep unconsciousness in which a person cannot be awakened, resulting from illness or injury.