The number of deaths of infants under one year old per 1,000 live births in a given year is referred to as the infant ______ rate.

The results of scientific investigation are referred to as:

a. platforms b. hypotheses c. data d. scientific text

Suppose that some researchers conduct a study about cognitive abilities, and they find a relatively large gender difference. From this information, you would expect to find that

a. the overlap in the frequency distributions for males and females will be relatively small. b. the gender difference is likely to be biologically based (e.g., caused by hormonal differences). c. the same results are likely to be obtained if the study is conducted in a different social setting. d. the same results are likely to be obtained if the study is conducted with participants who are either older or younger.