Case: According to recent studies, exercise has been shown to improve cardiovascular health by reducing blood pressure. However, there is still much to learn about the mechanisms by which exercise exerts its cardiovascular benefits. In this study, we aim to further explore the relationship between exercise and cardiovascular health by examining the effects of exercise on blood pressure in a sample of middle-aged adults. Previous studies have shown that exercise has beneficial effects on cardiovascular health, including the reduction of blood pressure. For example, a study by Smith et al. (2019) found that exercise training led to a significant decrease in systolic and diastolic blood pressure in a sample of sedentary adults with hypertension. 

Questions to be answered:

What is the article's claim? 

What is the IV(s)? 

What is the DV(s)?

What are intervening variables?

Identify the levels of measurement.

What type of statistical test would this be?