Problem: A researcher conducted a study with 1-year-old children to measure the influence of an adult model versus a child model on imitation in toddlers. To strengthen external validity of study, the researcher could: Need Assignment Help?
- re-run the statistical analyses
- replicate the study with a group of toddlers who are 2-years-old
- more closely control for the influence of outside variables (aside from the independent variable)
- replicate the study with a group of 16-year-olds