Random Assignment Is Important in Experiments Because

question 46

Multiple Choice

Random assignment is important in experiments because:

• A) it balances differences among participants across conditions of the experiment.
• B) it eliminates experimenter expectancy effects.
• C) it holds differences among participants constant.
• D) it insures that the samples are representative of the population.

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Definitions:

Excess Dopamine

An above-normal level of dopamine, a neurotransmitter in the brain, which can lead to various psychological and physical issues, including disorders of motivation and movement.

Personality Disorders

Mental disorders characterized by enduring maladaptive patterns of behavior, cognition, and inner experience.

Adolescence

The phase of growth involving both physical and mental changes, usually happening between the onset of puberty and reaching the age of majority.

Early Adulthood

A life stage that follows adolescence, typically ranging from about 20 to 40 years of age, marked by increased independence and responsibility.