Psychology 0035: Research Methods Study Guide for First Exam General conceptual understanding for each • know what each of these are and their definitions • be able to clearly and specifically identify from an abstract • be able to interpret results and conclusions • be able to clearly explain (using complete sentences) the answers to items when asked to do so Characteristics of science What are theories and why are they important? Hypothesis: scientific hypothesis, null hypothesis, sources of hypotheses How are hypotheses generated? Measurement Independent and dependent variables Levels of variables Operational definitions Reliability of measures (types of reliability; factors that increase the reliability of a measure) Validity of measures (types of validity: face, content, criterion, and construct) 3 components of an observed score Error variance or random error Read an abstract or description of research and specifically identifying each of the following:
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line graph, validity External validity, validity internal validity