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Selecting E fficient I nstructional T echniques for Culturally D iverse C lassroom s. Cultural Diversity in New York City Classrooms. Svetlana Khvatikova and Marva Rudder Research 2 Spring 2012. Table of Contents. Research Design (Slide 3 )
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Selecting Efficient Instructional Techniques for Culturally Diverse Classrooms Cultural Diversity in New York City Classrooms • Svetlana Khvatikova and Marva Rudder • Research 2 • Spring 2012
Table of Contents • Research Design (Slide 3 ) • Threats to Internal Validity (Slide 4) • Threats to External Validity ( Slide 5) • Proposed Data Analysis Survey/Pre TestCorrelation(Slide 6) • Pre-Test and Proposed Test Scores (Slide 7-8) • Student Correlation (Slide 9-10) • Sample of Student Surveys (Slide 11) • References (Slide 12)
Research Design Research Design: Quasi-Experimental design • Nonequivalent Control Group Design • Symbolic Design : O X1 O O X2 O O - Pre-test X1 - Treatment for Group 1 X2 - Treatment for Group 2 O - Post-test
Threats to Internal Validity • History • Maturation • Mortality • Statistical Regression • Selection-Maturation Selection
Threats to External Validity • Ecological • Generalizable Conditions • Specificity of Variables • Multiple Treatments • Experimenter Effects
Pre-test and Proposed Post-test Scores Ratio Data: 29.85%
Pre-test and Proposed Post-test Ratio Data: 39.06%
African-American Students Correlation rxy=0.89 rxy=0.26 30% 70%
Russian Students Correlation 45% rxy= -0.22 rxy= -0.39 55%
Sample:Student Surveys • Demographics Question :Were you born in this country? (1) (2) Yes No • Attitudes Question: I love to eat food from my native country. (1) (2) (3) (4) Strongly Disagree Disagree Agree Strongly Agree • Frequencies How many times have you visited your county? (1) (2) (3) (4) 0 times 1-4 times 5-9 times 10 or more times
References • O’Connor-Petruso, S. (2012). Descriptive Statistics Threats to Validity [PowerPoint slides]. Retrieved from http://bbhosted.cuny.edu/webapps/portal/