PSYCH 1X03 Lecture Notes - Lecture 2: Confounding, Scientific Method, Scientific Control
6 Feb 2014
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Document Summary
Theory -> hypothesis -> research method -> collect data -> analyze data -> report findings -> Revise theory: theory : an idea, a sort of a questions. A general set of ideas about hoe the world works: hypothesis : set of testable questions, if & then. in a form of something that is testable. A specific prediction related to the variables in a theory: research methods: design the experiment out. Experiment: scientific tool used to measure the effect of one variable on another. Dv variable being observed by the student (measurements: collect data: run the experiment, collect statistics, avoid the biases while measuring data. Control group: helps to compare with the experimental group. As similar as possible to the experimental group. Confounding variable : an external variable other than the independent variable that is influencing out results. Can be avoided using random sampling and random assortment. Random sampling: choosing a sample at random from the entire population.
