A Cognitive Psychologist Wants to Do an Experiment Testing the Memory

question 31

Multiple Choice

A cognitive psychologist wants to do an experiment testing the memory of elderly people.She has the following constraints: only 12 people available as possible participants and the independent variable she is manipulating requires the use of separate groups for each condition.The psychologist has a reliable and valid pretest she plans to use.Which design is this psychologist likely to use?

• A)matched groups design
• B)natural groups design
• C)random groups design
• D)placebo control design

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Definitions:

Hernia

A condition where an organ pushes through an opening in the muscle or tissue that holds it in place, often occurring in the abdomen.

Bladder

An organ that stores urine excreted by the kidneys before elimination from the body.

Nephrons

The basic structural and functional unit of the kidney, responsible for filtering blood and producing urine.

Waste Products

Materials that are not wanted or are surplus after the completion of a process or during bodily functions.