A Psychologist Is Interested in Whether Working Memory Is Influenced

question 31

Multiple Choice

A psychologist is interested in whether working memory is influenced by sleep loss.The psychologist administers a measure of working memory to two groups of subjects.The subjects in one group were kept awake for the entire night and the subjects in the other group maintained their normal sleep schedules.Which statistical analysis should be performed to answer the question "Does sleep loss affect working memory?"

• A) single-sample t test
• B) z test
• C) independent-samples t test
• D) paired-samples t test

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Definitions:

Cohen and Colleagues

A reference to a group of researchers led by psychologist Sheldon Cohen, known for their studies on stress, health, and social support.

Response Strength

The extent or intensity of an organism's reaction to a specific stimulus or series of stimuli, often used in behaviorism to measure learning or conditioning.

Self-modification

Refers to the process of altering one's behavior, thoughts, or emotions in a conscious effort to improve oneself.

Positive Reinforcement

The strengthening of a response (increases in frequency) because it is followed by the arrival of a (presumably) pleasant stimulus.