An Experimenter Conducts a Study in Which 16 People Are

question 15

Multiple Choice

An experimenter conducts a study in which 16 people are asked to pedal a bicycle for 40 minutes and then perform a memory task.They all then lie down for two hours and then perform a recognition memory task.Which of the following statements is true?

• A)Memory task is an extraneous variable.
• B)Memory task is manipulated between-subjects.
• C)Memory task is manipulated both between-subjects and within-subjects.
• D)Memory task is manipulated within-subjects.
• E)Memory task is the dependent variable

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Definitions:

Stimulant

A substance that raises levels of physiological or nervous activity in the body.

Opiate

Refers to a group of drugs derived from opium used for their analgesic, sedative properties, and can lead to addiction.

Endorphins

Natural chemicals produced in the brain that act as painkillers and are associated with feelings of pleasure and euphoria.

Psychoactive Drugs

Substances that alter brain function, resulting in temporary changes in perception, mood, consciousness, and behavior.