Question

Ruling Out Third Variables with Multiple-Regression Analyses 1. Describe what it means to say that some variable “was controlled for” in a multivariate study. 2. How many criterion variables are there in a multiple-regression analysis? How many predictor variables? 3. What does a significant beta mean? What does a nonsignificant beta mean? 4. Give at least two phrases indicating that a study used a multiple-regression analysis. 5. What are two reasons that multiple-regression analyses cannot completely establish causation? Getting at Causality with Pattern and Parsimony 1. Why do many researchers find pattern and parsimony an effective way to support a causal claim? 2. What is a responsible way for journalists to cover single studies on a specific topic?

Answer 1