Author Question: Although field studies tend to have higher external validity that traditional laboratory studies, ... (Read 251 times)

lracut11 · **on:** Jun 19, 2018

Although field studies tend to have higher external validity that traditional laboratory studies, they also tend to have ____.

a. lower internal validity
b. lower reliability
c. an increased risk of confounding from history effects.
d. an increased risk of finding no effect of the manipulation

Question 2

In research, _______________ is the process of selecting units for study from a population of interest.

Fill in the blank(s) with correct word