A researcher wants to study how children acquire a particular strategy to solve word problems. He chooses participants by screening children to determine if they already know the strategy. He chooses only those who have not learned the strategy yet. What sampling method did this researcher use?
A) Stratified random
B) Random sample
C) Convenience
D) Purposive

Question

Quizplus · Accepted Answer

The researcher is using purposive sampling because he is intentionally selecting participants who have not yet learned the strategy, based on specific criteria.

A Researcher Wants to Study How Children Acquire a Particular