PSC 41 Lecture Notes - Lecture 9: Cognitive Behavioral Therapy, Cognitive Therapy, Random Assignment
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PSC 41 Full Course Notes
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One group pretest/posttest design = no random assignment; only one group (no comparison group) General structure: participants pretest measure treatment posttest measure. Ex: campers measure rambunctious behavior reduce sugar measure rambunctious behavior depression or duration. Threats to internal validity w/in one group pretest posttest design: maturation effect = when a change in behavior emerges because participates change over time. College freshman electricity use go-green campaign electricity use. Adults w/ insomnia sleep activity or duration sleeping aid sleep activity. Depressed ppl measure depression cognitive therapy measure. Actual: campers measure rambunctious behavior [accustomed to. Consider the freshman in the dorms: maybe they began to use less electricity b/c the season changed and they needed less heat/ac. Actual: college freshman [winter] measured electricity use go-green. Consider the depression example: maybe those who were highly depressed. Consider the camper example: if you let the kids know that they are being. Actual: depressed people measure depression cognitive therapy .
