Author Question: External validity is essentially a. the strength of the cause-effect relationship. b. irrelevant ... (Read 58 times)

nramada · **on:** Jun 21, 2018

External validity is essentially

a. the strength of the cause-effect relationship.
b. irrelevant to experimental research.
c. assured by using a double-blind procedure.
d. generalizability to situations beyond the specific study context.

Question 2

Internal validity may be increased by

a. matching participants on important characteristics.
b. randomly assigning participants to treatment groups.
c. employing double-blind procedures.
d. all of the above