Randomization does NOT control for
A) threats to internal validity.
B) threats to statistical validity.
C) many confounding variables simultaneously.
D) unknown factors.
Question 2
In using an ad hoc sample, the researcher should
A) use the table of random numbers.
B) not obtain descriptive information about participants, because it would bias the results.
C) obtain sufficient descriptive information about participants to establish the limits for generalization.
D) be cautious about internal validity.