本题目来源于试卷: IB Psychology HL Approaches to Research on Behavior，类别为 IB心理学
[单选题]
A student is developing research to understanf-9ba0 ahr o2id -kjfpzwdqi7d (7qs j k112t vr),i6lgthe time and stress management of single working mothers in urban areas. What sampling technique would effectively help t tgk7s l 1 -dk (v2dpwr)1ijqj7i,6qfzhe student gather the targeted participants for their study?
A. Random sampling
B. Stratified sampling
C. Convenience sampling
D. Purposive sampling
参考答案: D
本题详细解析:
In a purposive samplin.t*tsjg) 6q1lit r9xh:hk ef+g technique (choice D), participants are picked because they possess characteristics salient to the study, which is in this case, single, working mothers, in urban areas.
Choice A is a sampling technique which gives the target population an equal chance of being selected.l jt6+)t*k9:ifreq.1x st hgh Choice B, stratified sampling, involves acquiring a representative sample from a population that researchers have categorized into relatively homogeneous subpopulations or strata. With convenience sampling (choice C), the researcher selects a sample that is easily accessible non-randomly.
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