CRJ 302 Lecture Notes - Lecture 9: Design Of Experiments, Internal Validity, Structured Interview
13 Oct 2016
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X variables are wanted (1) at a time (independent variable: observe x and y at the same time (1) Collecting observations from a large number of subjects. Typically studies individuals but may be groups or organizations. Ask questions to obtain desired information about a unit analysis. Intent may be descriptive, correlational or causation research: individual: report on self, altitudes, knowledge, behavior, experiences, group: 1) informant/respondent provides information on the entire group such as size, budget, membership criteria, goals, performance, achievements, etc. 2) sum of data collected from individuals: gpa, family, income. Questionnaire: a self-administered survey: a series of questions attributed to and answered by the respondent. Distributed by hard copy handout, hard-copy mailed, electronic survey monkey . Data entry for analysis- manual or automated. Double-barreled items: 12 or more questions. Ease of recall or response? (asking people questions without giving a lot of recall) making it simple. Measurement of past experiences: memory lapse; calendar; etc.
