PSYC 2280 Chapter Notes - Chapter 4: Systematic Desensitization, Joseph Wolpe, Posttraumatic Stress Disorder

• School: University of Windsor
• Department: Psychology
• Course: PSYC 2280
• Professor: Scoboria

Document Summary

Helps rule out alternative explanations for results, thus strengthen internal validity assignment: randomization the process of assigning people to different research groups where each person has an equal chance of being placed in any group. Helps improve internal validity by eliminating any systematic errors in: analogue models create in the controlled conditions of the lab aspects that are comparable (analogous) to the phenomenon under study. Or, a model which explains a phenomenon by reference to some other occurrence psychological disorders. Research by correlation: fundamental question: whether two variables relate to each other correlation, correlation causation the other. Relationship ranges between 0. 00 (no relationship) and 1. 00. Research by experiment: experiment involves the manipulation of an independent variable and the observation of its effects (manipulate the independent variable to answer the question of causality. Hypothetical construct supplement: hypothetical constructs theoretical variables that are not directly observable (ex. intelligence, attitudes, personality, anxiety, depression, memory, etc. )