Author Question: If a correlation coefficient that you expected to be fairly high, turns out to be very low, you ... (Read 128 times)

Brittanyd9008 · **on:** Jun 19, 2018

If a correlation coefficient that you expected to be fairly high, turns out to be very low, you should investigate whether there is a:

a. restrictive range on one or both variables.
b. curvilinear relationship between the variables.
c. third variable inhibiting the relationship.
d. restrictive range on one or both variables and a curvilinear relationship between the variables.

Question 2

The problem of _____ can often be identified by using a _____.

a. causality; point biserial correlation
b. directionality; phi coefficient
c. third variables; partial correlation
d. restrictive range; point biserial correlation