PSY 230 Lecture Notes - Lecture 2: Factor Analysis, Psy, Dependent And Independent Variables
Document Summary
Seeking answers to questions in dp: ex: Ways to understand human behavior/development: common approaches. All of these have limitations - can"t really be relied upon: scienti c method best method. Testing hypothesis further explained: concepts (constructs): abstractions that exist in our mind. Ex: self-esteem, intelligence, happiness, etc: variables: concepts that become measurable. Occur at different levels of intensity - they vary. Can be measured numbers/values can be assigned to them: ways to measure. Questionnaires: standardized (ex: sat) & non standardized (made up by researcher) Thursday, september 1, 2016: self-report & other reports. Observations: record behavior systematically and objectively, may occur in . Natural settings such as home or school (event or person focused: provides basis for hypotheses does not provide proof. Case study: in depth observation of one person, does not apply to other people. Effect size: how much one variable affects another (from 0 to 1) Signi cance: if a result may have occurred by chance.
