A Sample Is Random If

question 87

Multiple Choice

A sample is random if

• A)it is chosen by a method the investigator does not know anything about.
• B)it is representative.
• C)every member of the population has an equal chance at being selected for the sample.

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Definitions:

Judgment Sample

A non-probability sampling technique where participants are selected based on the judgement of the researcher, not at random.

Stratified Sample

A sampling method that divides a population into subgroups, or strata, and selects members from each stratum to ensure representation.

Convenience Sample

A sampling technique where participants are selected based on their accessibility and proximity to the researcher.

Convenience Sample

A non-random sample selected because of its accessibility and ease of inclusion in the study, not representing the whole population accurately.