PSYC 2030 Lecture Notes - Lecture 7: Psychoanalysis, Depressant, Random Assignment
15 Apr 2017
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1. tossing a die and recording which of the 6 numbers appear. (6 equally likely outcomes will be yielded) 1. select an individual and record that person"s blood type. (4 possible outcomes, but they are not equally likely) 1. run 10 rats in a t- maze and record their running speeds. (10 numerical values and there are an extremely large number of such sets of 10 numbers) 1. testing 5 experimental and 5 control s"s and recording the difference in average performance between the 2 groups. (single number representing the difference between the 2 mean. There are an extremely large number of such possible values and they are not equally likely. Woodworth (1938): the defining feature of the experiment method is the manipulation of the. The experimenter holds all other conditions constant, and observe its effects on the dependent variable (characteristic of behavior or reported experience) **we are exposed to experiments that involves selecting samples from a population.
