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5 Cards in this Set

  • Front
  • Back
Sampling in Studies
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
Sampling Frame
who to include - set of all elements from which we will draw - e.g. girls, boys, college students, comm students
Probabilty Samples
Everybody in the frame has an equal of chance of being selected
- Simple Random
- Stratified
- Cluster
NonProbability Sample
when you have a small sample, can't/don't want to generalize, or access is limited
- convenience
- purposive
- quota
- snowball
Information We have and Would LIke
Have: demographic contours, response rate, retention/drop out rate, control vs. experimental group size
Want: incentives offered, how recruited, and what they were told