PSY 250 Chapter Notes - Chapter 3,6,9,10: Institutional Review Board, Convenience Sampling, Sampling Error
28 Sep 2016
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Field experiment: an experiment conducted in the participants" natural environment: what are the current ethical guidelines for animal subjects, apa ethics code, must include a clear scientific purpose for the study, report the species, treat animals humanly c) Iacuc: institutional animal care and use committee: how do ethics influence the way we report research, errors in the data, plagiarism. Most representative, can be hard with large population a. iii) Cluster samples: sample chosen randomly from clusters identified in the population (a. iii. 1) Manageable with a large population, may miss a portion, not so representative a. iv) Stratified random samples: sample chosen from the population such that the proportion of individuals with a particular characteristic is equivalent in the population and the sample (a. iv. 1) Can solve the location bias, subsets are based on demographics: cs b. i) increase sampling error, lower the internal validity and external validity b. ii) internal validity: the degree which a study provides causal info about behavior b. iii)
