PSYC 101 Chapter Notes - Chapter 3: Hawthorne Effect, Statistical Hypothesis Testing, Scientific Method
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PSYC 101 Full Course Notes
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Pose a question that can be answered by the scientific method. Operationalize manipulated/measured) critical parts (give an exact descr. of how to derive a value for variable. H0 = new study method will not have an effect on dependent variable. H1 = new study method will have an effect on dependent variable. H1a = new study method will have a positive effect on dependent variable. = new study method will have a negative effect on dependent variable or. Advantages: taking advantage of unique cases, to gain ideas, insights, obtain examples. Limitations: useless for testing theories (because it"s so specific), study is difficult to replicate. Advantages: easy, cheap, large amounts of data (on general topics), high in ecological validity. Limitations: wording and ordering of items/questions can affect results / dishonesty (socially- correct answers) / difficult to obtain a representative sample. Systematic assessment of relationship between two or more variables.
