Chapter Eleven B: Multiple Regression and Correlation

1
Chapter Eleven (B) Multiple Regression and
Correlation

• DBA 902
• Research Methods II
• J. Schreiber

2
Statistical Interaction

• Definition
• Equation element
• Interpretation

3
Statistical Interaction (cont.)

• Testing for interaction
• Types of interactions
• Second-order
• Higher-order

4
Comparing Regression Models

• Complete Model
• Reduced Model
• Test Hypotheses
• Ho
• Ha
• Test Statistic

5
Partial Correlation

• Definition
• Interpretation
• Inference
• Squared Partial Correlation

6
Standardized Regression Coefficients

• Definition
• Properties
• Standardized form of prediction equation