PSYCO212 Lecture Notes - Lecture 19: Internal Validity, Random Assignment

• School: University of Alberta
• Department: Psychology
• Course: PSYCO212
• Professor: Jessica Tomory

Document Summary

Psyco 212 chapter 11 *will be on final exam* Cannot control for some things >>> may appear like an experiment, but is not. Cannot do random assignment of participants >>> threats to internal validity: to control the threats to internal validity have control group. Important considerations: history effects cannot control participant history but can control inclusion (who"s included in the study) , instrument decay ex) the coders are not hyper-vigilant due to fatigue effects. Look over different research designs: chapter 8 & chapter 10.