The effects of prenatal malnutrition are usually least when the malnutrition is of short duration

Studies have shown that when we first look at someone who is physically attractive, we assume that he or she is more intelligent, better adjusted, and more socially aware than someone with average looks

Indicate whether the statement is true or false

If productivity increased in a factory after all of its employees were switched to a work schedule consisting of four 10-hour days, should management really credit the schedule switch with the improvement?

a. Yes b. Yes, but only if no workers had left the factory c. No. There are too many threats to validity to draw that conclusion d. No. You would need to conduct a survey to be sure.