Popular in Psych
Popular in Psychology (PSYC)
This 2 page Class Notes was uploaded by Rachel on Wednesday September 28, 2016. The Class Notes belongs to 01:830:101 at Rutgers University taught by Larry Jacobs in Fall 2016. Since its upload, it has received 8 views. For similar materials see Psych in Psychology (PSYC) at Rutgers University.
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Date Created: 09/28/16
9/14/16 Scientific method • Scientific method- way of answering questions that help remove bias from the study • Theory: set of principles that explain how facts are related o Ex. A theory about depression explains our observations of depressed people and predicts why they get depressed. o Ex. The jail break union county jail. They reenacted escapes and theorized how they did it. • The hypothesis allows us to test the theory Science seeks to develop theories a set of ideas that helps to explain data and make predictions. A hypothesis leads to predictions Parsimony: reliance on the fewest and simplest assumptions is call parsimony. The parsimony principle is basic to all science and tells us to choose the simplest scientific explanation that fits the evidence • Anecdotal evidence examples o Ex. A person tells us how their breathe feels fresher after using a certain brand of toothpaste or people testify to the cleaning of their acne as a result of special products. Anecdotal evidence is often used in place of clinical or scientific evidence, and may completely ignore research or harder evidence that points to an opposite conclusion. o Ex. When choosing a dentist we would ask for experiences of family, friends, etc. its based on personal experience not facts. Meta-analysis combines data from 2 or more control trials or findings from research • Population sample: the entire group about which the psychologists wants to draw conclusions. It’s usually impractical or impossible to study whole populations. A number of observations or individuals are collected instead; this is a sample. We can generalize about the whole population from his study. • Suppose I am interested in the attitudes of college students towards using the Internet in their studies. I survey my students in one Introductory Psychology class at my college. • Can I assume that their attitudes are representative of the attitudes of all college students in general? • This is not a good survey technique because it has experimental bias. Case study or case history - A thorough observation and in-depth description of a single individual studied in great depth Survey: a method of in-depth study in which researchers use interviews questionnaires to gather info using telephone internet paper and pencil forms.
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