PSYCH 2AA3 Lecture : LectureNotesPSYCH2AA3Fall2011
25 Nov 2012
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Parent, teacher and peer reports: the problem of retrospective reports (the point when it actually happens) Sometimes one can misremember certain points of their lives because of various stereotypes or social norms (when did you hit puberty?) If you follow someone"s life, then one can make a sound judgement because you have a lifeline of events to collect data from: caveat: corelational does not equal causation. Experiments: good because you can assign random assignments to your subjects, random assignment gives us a normal distribution of outcomes, random assignment gives you causation. One can"t randomly assign because of certain things that you can"t control: for example: culture, parental influence, gender, wealth, i. q. Types of experiments: labs random assignment, field random assignment (school yard, at home, friend"s house, quasi (can be in lab or field) random assignment not possible on at least one variable. Three main designs for studying age effects: cross sectional.
