PSYC 2360 Lecture Notes - Lecture 4: Convenience Sampling, Quasi, Random Assignment
29 Dec 2018
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Document Summary
Chapter 4 the psychologist"s toolbox: tools for building better designs. Research question research design findings/answers share/publish findings. The basic steps to designing a research project. Select design based on research goal: non-experimental, quasi-experimental, experimental. Determine measure(s: keys to effective measurement, types of measurement error, reliability and validity of measures. Recruit research participants: types of sampling, sampling issues. You don"t choose the design, the design chooses you you may develop an affinity. Non experimental design: to answer what questions as well as, who , how much , how often doesn"t involve researcher changing or manipulating any of. True experiments: design where researcher manipulates all of the independent: ex. two-group, multi-group, repeated-measures, factorial and mixed designs variables. Quasi independent variables: variables treated as if they were independent variables in the experimental design even though the researchers did not manipulate them: ex. gender. Measuring variables 2 main types of measurement: self-report and behavioural.
