Sociology 2206A/B Chapter Notes - Chapter 9: Blind Experiment, Field Experiment, Selection Bias
24 Aug 2016
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Research methods chapters 9 soc 2206 summer 2016. Three things research must do in experiments: 1) begin with a hypothesis, 2) modify something in a situation, 3) compare outcomes with and without the modification. Issues of an appropriate technique: develop judgement from reading research reports, understanding the strengths and weaknesses of different techniques, assisting more experience researchers. Random assignment: is a method for assigning cases, to groups for the purpose of making comparisons, it is a way to divide or sort of collection of cases into two or more groups. Matching is when you match the characteristics to the cases of each group. Subject: the cases or people used in an experiment. Treatment or independent variable: what the independent variable in experimental research is called. Pretest: measurement of the dependent variable of an experiment prior to treatment. Post test: the measurement of the dependent variable after the treatment. Experiment group: the group in that receives the treatment in experimental research.
