Author Question: In order to avoid bias in how subjects are assigned to the different treatment conditions, ... (Read 96 times)

swpotter12 · **on:** Jun 20, 2018

In order to avoid bias in how subjects are assigned to the different treatment conditions, experimenters should use

a. random assignment.
b. counterbalancing.
c. random sampling.
d. self-selection procedures.

Question 2

After the completion of an experiment, a researcher realizes that there is another explanation for the results other than the original hypothesis. The researcher realizes that this experiment is deficient with respect to which type of validity?

a. construct
b. external
c. internal
d. statistical conclusion