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Reading Improvement Through Homework Help Fatimah Washington Ed. 7202 Fall 2010
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Table of Contents Research Design Threats to Internal and External Validity Survey Analysis Proposed Data Analysis Correlations
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Research Design Quasi-Experimental Non-equivalent control group design Symbolic Design O X1 O O X2 O
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Threats to Internal and External Validity Internal Threats Mortality Valid Differential Selection of Subjects Valid Selection-Maturation Interaction Valid History Valid External Threats Multiple- X interference Valid Experimenter Effects Valid Other Compensatory Rivalry The Hawthorne Effect
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Survey Analysis
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Proposed Data Analysis Pre Test
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Proposed Data Analysis Post Test
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Correlations
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