Reading Improvement Through Homework Help Fatimah Washington Ed 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 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
Survey Analysis
Proposed Data Analysis Pre Test
Proposed Data Analysis Post Test
Correlations