PSY 1101 Lecture 4: Theories
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PSY 1101 Full Course Notes
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Theories/hypotheses: theory - predicts behaviour or events. Theories are formed after a review and synthesis of the relevant literature. It is based on existing fact: theory vs speculation (opinions). A theory is only formed after an objective review and synthesis of already published research. It is not formed on the basis of guesswork or subjective opinion. We can all speculate about why things are the way they are. The problem with this is that your opinion is as good as mine. You may have an opinion that humans can get by on 2 hours of sleep. It is a fact that humans require more sleep (a subject we will study in this course) and if they do not get a sufficient amount, will suffer grave consequences: all hypotheses must be testable. (see next section). We must be able to design a study to test the hypotheses.