PSYCH 2B03 Chapter Notes - Chapter 3: Scatter Plot, Case Method, Statistical Hypothesis Testing
16 Jun 2013
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Methods for generating research aimed at these questions. Goal is to improve on the tentative answers (hypotheses) Everything is open to question, no facts are presented without description of the experiment and the persuasiveness of the results. Technical training: what"s already known about subject and its application. Scientific education: what is known and how to find what"s not yet known. Reliability: measurements that reflect what you are trying to assess and are not affected by anything else. Measurement error: cumulative effect of extraneous influences. The less measurement errors there are, the more reliable the measurement is. Influences considered extraneous depend on what is being measured, be it state (temporary) or trait. When trying to measure stable attribute of personality (trait): can you get the same result more than once. Every measurement includes a certain amount of error due to: State of the participant in the study might vary for reasons that have nothing to do with the study itself.
