Author Question: In an experiment, a confounding variable is a(n) ____. a. example of the third-variable problem ... (Read 53 times)

EAugust · **on:** Jun 19, 2018

In an experiment, a confounding variable is a(n) ____.

a. example of the third-variable problem
b. example of the directionality problem
c. limitation on the ability to manipulate the independent variable
d. threat to internal validity

Question 2

The spread of the averages around the average of averages in a sampling distribution is called the ____.

a. standard deviation
b. variance
c. standard error
d. sampling error