PSYC 101 Lecture Notes - Lecture 5: Statistical Inference, Replication Crisis, Shooter Game

• School: UBC
• Department: Psychology
• Course: PSYC 101
• Professor: Steven Barnes, Grace Truong

Document Summary

Manipulate one variable and test the effect on the other variable. Steps of designing experiments: manipulation of independent v, measure dependent v, did manipulation of independent variable produce changes in depended variable, draw conclusion. V that we manipulate in a systematic manner. Experimental group: play first person shooter vid game (3 hr per week) Best control group: play a run and jump game (3 hrs per week) Experimental group and control group can only differ in one factor. Participants need to be randomly assigned to diff groups of independent variable. Any kind of selection can induce a third-variable. More violent kids will probably choose the violent game , or if the experimenter already know the kid then they would put the kid in one group in one group Third variable(s) will, on average be randomly but equally distributed over groups. V that may be infl by independent variable. Experimental group: first player shooter game: aggressiveness mean: 6.