A limitation of program evaluation research is its
a. inability to include large numbers of participants.
b. lack of random assignment to conditions.
c. inability to study events while they are taking place.
d. inability to determine program effectiveness.
Question 2
A design in which behavior is initially measured during a baseline period, measured again after the intervention of interest begins, and then measured once more after the intervention is removed is called a
a. reversal design.
b. time-series design.
c. cross-sectional design.
d. before-after design.