A Representative Sample

question 81

Multiple Choice

A representative sample

• A) is an impossible research goal to achieve.
• B) is a sample that accurately reflects the composition of the people being studied.
• C) means the researcher hand-picks the research subjects.
• D) is the technique most apt to result in sampling bias.

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Definitions:

Serotonin

A neurotransmitter important in the regulation of mood, anxiety, and happiness, among other functions.

Major Mood Swings

Significant fluctuations in emotional state that can impact an individual's behavior and perception.

Dopamine

A neurotransmitter in the brain that plays a key role in reward, motivation, memory, attention, and even regulating body movements.

Crystallized Intelligence

The ability to use skills, knowledge, and experience. It does not correlate with cognitive speed but increases with age.