Author Question: A researcher obtained a correlation of r = +0.62 between the amount of time spent watching ... (Read 139 times)

pepyto · **on:** Jun 19, 2018

A researcher obtained a correlation of r = +0.62 between the amount of time spent watching television and level of blood cholesterol. This means that there is a general tendency for people who watch more television also to have higher blood cholesterol.

a. True
b. False
Indicate whether the statement is true or false

Question 2

If there is a difference between the pretest scores of the intervention and comparison groups in the NEGD, it indicates that there is selection bias.

a. True
b. False
Indicate whether the statement is true or false