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Types of Research PE357
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Types of Research Experimental vs. Nonexperimental –Cause-effect –Control over DV –Future-based
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Quasi-Experimental Lack randomized control group or a control condition altogether Often prospective
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Causal-Comparative Research (ex post facto) Seeks cause effect relations IV cannot be manipulated by the investigators
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Descriptive Research Attempts to describe systematically, factually, and accurately specific characteristics of interest that exist Precedes experimental research Often uses grouping variables
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Is Descriptive Research Qualitative? Often more systematic and standardized Larger sample sizes and not as in-depth Variables are predetermined Data analysis differences
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Correlational Research Related to descriptive and causal comparative research Determines whether a relationship exists among variables or to make predictions No cause effect but it is necessary
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Historical Research -Hard to categorize -Use of past to understand the present and future -Use of primary and secondary sources -Contains extensive methodology but generally ends with narrative
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Qualitative Research -Relies on non-numerical data -Does not attempt control -Reality is constructed – no hypotheses or predetermined variables
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