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Reading Improvement Through Homework Help Fatimah Washington Ed. 7202 Fall 2010. Table of Contents. Research Design Threats to Internal and External Validity Survey Analysis Proposed Data Analysis Correlations. Research Design. Quasi-Experimental Non-equivalent control group design
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Reading Improvement Through Homework HelpFatimah Washington Ed. 7202Fall 2010
Table of Contents • Research Design • Threats to Internal and External Validity • Survey Analysis • Proposed Data Analysis • Correlations
Research Design Quasi-Experimental Non-equivalent control group design Symbolic Design O X1 O O X2 O
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