Author Question: If a study concludes that increases in aerobic exercise are correlated with increases in brain ... (Read 103 times)

jeatrice · **on:** Aug 23, 2018

If a study concludes that increases in aerobic exercise are correlated with increases in brain functioning in older adults, what can we assume to be true?

a. The increased exercise caused an increase in brain functioning.
b. The two variables are unrelated.
c. The variables are positively related or correlated.
d. The two variables are inversely or negatively correlated.

Question 2

A research design that seeks to determine the nature of the relationship between two variables, such as a healthy diet and the prevalence of health issues in old age, is called a(n)

a. self-report study.
b. observational study.
c. experiment.
d. correlational study.