A Little Boy in the Preoperational Stage Would Have Trouble

question 154

Multiple Choice

A little boy in the preoperational stage would have trouble understanding that

• A) his father and mother still exist even when the boy does not see them.
• B) other little boys have sisters when he has only brothers.
• C) some mothers are taller than some fathers.
• D) his mother is also someone's daughter.

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Definitions:

Biased Sample

A nonrepresentative sample.

Representative Sample

A small group representing a larger group in terms of age, sex, ethnicity, socioeconomic status, orientation, for example.

Multistage Sample

A sampling method involving multiple phases of selection, often used in large-scale surveys to efficiently gather data.

Stratified Sample

A sampling method used in research that involves dividing the population into distinct subgroups and selecting samples from each subgroup.