The investment made in children by the Chicago Longitudinal Study was evaluated when those children were 26. At that time, ...
Group of answer choices(explain the choice):
a.The return on investment was found to be neutral-for each dollar spent, a dollar was gained-but the children in the program gained, on average, eight IQ points-leading to greater achievement in school.
b. The Return on Investment was found to be around $11 for each dollar invested in the program.
c. The return on investment was found to be neutral-for each dollar spent, a dollar was gained-but the social effects were significant for participants.
d. The Return on Investment was found to be negative and the program was discontinued.