Part II. Indicate whether you would perform a ztest, two-sample t test, paired t test, or ANOVA for the followingresearch question? All the outcomes are continuousvariables. Â
- A group of adolescent boys was offered interpersonal skillscounseling and then tested in September and May to see if there wasany impact on family harmony.
- 3 groups of participants were exposed to different levels oftreatment for ankle sprain. Which treatment was moreeffective?
- 1 group of men was provided access to an exercise program andtested two times over a 6-month period for heart health.
- The principal at a school claims that the students in hisschool are above average intelligence. A random sample of 30students’ IQ scores have a mean score of 112.5. Is there sufficientevidence to support the principal’s claim?