Unformatted text preview: C. To help solve Casual direction problem: 1. “Cross-lagged panel design” Example: age 8 age 18 2. Measure both variables for same people at different times; then see which “cross” relationship holds. II. Experimental Research A. Purpose 1. To test the hypotheses of cause and effect. a. Goal is to establish internal validity b. Willing to sacrifice external validity 2. Remember … to establish causality...
View Full Document
- Spring '10
- Causality, cross-lagged panel design, I. Getting Closer