Psychology 1000 : Psych.docx

• School: Western University
• Department: Psychology
• Course: Psychology 1000
• Professor: Dr.Mike

Document Summary

Safe attack: allow you to mimic violence. Internal validity degree to which experiment supports causal conclusion if there are confounds in the experiment you cannot get rid of them- study may be invalid because of that. External validity degree to which results can be generalized. Demand characteristics cues in experiment convey hypothesis to participants they help experimenter. People who are motivated to be aggressive might be aggressive in the presence of a weapon. If they are put in a room with someone they become irritated with, and see a weapon in the corner, they may be tempted to use it. In a double blind study, the experimenter does not know what the hypotheses is nor do the participants. A lab experiment is not designed to tell us something about every day life. It s designed to control everything you possibly can. Realize that these things will affect results. Use random assignment, takes care of this.