If a Researcher Performs an Experiment Where Half of the Participants

question 37

Multiple Choice

If a researcher performs an experiment where half of the participants perform a memory task in the presence of distracting noise such as a jack hammer) while the other half do not, the researcher has

• A) Assigned the independent variable of memory task outcome
• B) Manipulated the dependent variable of memory task outcome
• C) Manipulated the independent variable of noise level
• D) Assigned the dependent variable of noise level

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Definitions:

Cognitive Losses

The decline in cognitive functions such as memory, decision-making, and problem-solving abilities, often associated with aging or neurological conditions.

SES (Socioeconomic Status)

An indicator of a person's or household's financial and societal status compared to others, determined by their earnings, level of education, and job.

Medical Care

The diagnosis, treatment, and prevention of disease, illness, injury, and other physical and mental impairments in humans, provided by health professionals.

Pollution

The presence or introduction into the environment of substances or things that have harmful or poisonous effects.