PSYCH 100B Lecture Notes - Lecture 2: Random Assignment, Scientific Method, External Validity
Document Summary
Lecture 2 was a correlational between full moon and rate of violent crimes. We have to do experiments that test out our ideas. Sometimes we even perceive things that aren"t there at all. Perceptions may be convincing, bur not accurate e. This is why we we need science (scientific method) Start with hypothesis, test it, get rsults, get conclusions. We can make progress through this and understand people better. examples. Archival- use pre-existing records and look at relationships between records. Limitation of archival research: not a lot of control, there may be confounds. Ex) full moon people have worse behavior (more crime) during a full moon. Psychtaric nurses made more notes during the full moon. It was an additional variable. not totally objective, third-variable at play that influence both variables that you"re. Parental relationships your own relationships- this is not ethical to manipulate it. Media violence aggression cant control what people see over their life span.
