Individuals Are Selected at Random for a Study from a List

question 43

Multiple Choice

Individuals are selected at random for a study from a list of members of Girl Scout troops to represent the population of girls aged 8-13. This sampling is ______.

• A) simple random sample
• B) stratified random sample
• C) haphazard/volunteer sample
• D) cluster sample

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Definitions:

Mania

A state of abnormally elevated arousal, mood, or energy levels, often associated with bipolar disorder.

Monoamines

Neurotransmitters, including catecholamines (epinephrine, norepinephrine, and dopamine) and serotonin, that have been implicated in the mood disorders.

Neurotransmitters

Chemical substances in the nervous system that transmit signals between neurons or from neurons to muscles.

Depression

A disorder of the mind known for sustained feelings of unhappiness or apathy towards activities, which notably hinders normal daily operations.