10. What the four threats to internal validity that associated : 1991630
10. What are the four threats to internal validity that are associated with participants?
11. What are the three threats to internal validity associated with measurement?
12. How did Goldenberg et al. (1999) combine experimental and quasi-experimental designs in their research, generating the conclusion that neurotic people relate sex and death?
13. Describe how Goldenberg et al. (1999) mixed an experimental and a quasi-experimental IV to study the link between sex, neuroticism, and death.