PSY-P 101 Lecture Notes - Lecture 3: Visual System, Scatter Plot, Naturalistic Observation
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P101 lecture 3 notes- tools of psychological research (cont. ) Check on sona email: if you haven"t gotten it by thursday, check by friday in py main lobby office (with. Review: purpose of descriptive research- observe and describe behaviors. 4 types: naturalistic observation, case studies, surveys, psychological assessments: ways to summarize data: Measures of central tendencies (how data clumps together) Measures of variability/dispersion (how data spreads out: purpose of correlational research- see whether 2 variables are related. Cannot speak to one variable causing behavior of another. To visualize data, use scatter plot: when evaluating research, consider: Hembrooke & gay (2003: randomly selected half of class of students to be in lab, other half in lecture taking notes on given laptops. Expecting certain group to do better or worse on quiz can cause professor (who knows about groups) to act differently toward groups regarding information for quiz.