- What is the difference between a test of independent means and a test of dependent means, and when is each appropriate?
- In the following examples, indicate whether you would perform a t test of independent means or dependent means.
- Two groups were exposed to different levels of treatment for ankle sprains. Which treatment was most effective?
- A researcher in nursing wanted to know if the recovery of patients was quicker when some received additional in-home care whereas others received the standard amount.
- A group of adolescent boys was offered interpersonal skills counseling and then tested in September and May to see if there was any impact on family harmony.
- One group of adult men was given instructions in reducing their high blood pressure whereas another was not given any instructions.
- One group of men was provided with access to an exercise program and tested two times over a 6-month period for heart health.
