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5 Cards in this Set
- Front
- Back
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Sampling in Studies
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Rhee - random sampling at 10 sites across country
Baughcum - convenience/purposive Blass - convienience at Psych 1 Jordan - cluster sampling Tubbs - convenience - had data from another study |
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Sampling Frame
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who to include - set of all elements from which we will draw - e.g. girls, boys, college students, comm students
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Probabilty Samples
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Everybody in the frame has an equal of chance of being selected
- Simple Random - Stratified - Cluster |
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NonProbability Sample
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when you have a small sample, can't/don't want to generalize, or access is limited
- convenience - purposive - quota - snowball |
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Information We have and Would LIke
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Have: demographic contours, response rate, retention/drop out rate, control vs. experimental group size
Want: incentives offered, how recruited, and what they were told |
