PSYC 203- Midterm Exam Guide - Comprehensive Notes for the exam ( 99 pages long!)
5 Oct 2017
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Research using psych tests of personality, attitude, & ability (intelligence: iq of. 120= more intelligent than someone w iq of 110, difference is the same w someone w iq of 100 & 110 each single point of increase represents the same increase in intelligence the intervals are equal. If you add up all deviation scores they sum to 0. This eliminates minus numbers & ensures some positive number when the numbers are added up to produce a sum of. But huge sample size might produce result that is statistically significant but meaningless in practical sense. Robert woodworth: published experimental psychology , known as the columbia bible. Huge impact on the teaching of experimental psychology. Took the word experiment and gave it the definition it has today. Experiment: a systematic research study in which the investigator directly varies some factor, holds all other factors constant, & observes the results of the variation. Independent variables: the factors under control of the experimental/manipulated.
