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Chapter 9 & 10 (*Experimental Reasearch “gold standard”one or more…
Chapter 9 & 10
*Experimental Reasearch “gold standard”one or more independent variables are manipulated by the researcher ( :
internal validity: (causality) ability to link cause and effect through treatment manipulation,
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Two-Group Experimental Designs: two group designs involving one treatment group and one control group, and are ideally suited for testing the effects of a single independent variable that can be manipulated as a treatment.
Posttest-only control group design. a simpler version of the pretest -posttest design where pretest measurements are omitted
Pretest-posttest control group design: subjects are randomly assigned to treatment and control groups, subjected to an initial (pretest) measurement of the dependent variables of interest,
Covariance designs:measures of dependent variables that may be influence by extraneous variables called covariates. :
Survey research : research method involving the use of standardized questionnaires or interviews to collect data
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Factorial Designs :when independent variable in this design is called a factor, and each sub-division of a factor is called a level :
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Quasi-Experimental Designs almost identical to true experimental designs, but lacking one key ingredient: random assignment. :
Question sequencing: questions should flow from the least sensitive to the most sensitive, from the factual and behavioral to the attitudinal, and from the more general to the more specific.
Question content and wording: make sure your answers are clear and understandable, detailed and presumptuous.
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