It is quite likely that the correlation between shoe size and intelligence in human adults would be

According to the text, about what percent of the adult population either maintains a stable level of intellectual performance or increases their performance well into their 70s?

a. about 40-45% b. about 60-70% c. about 80-85% d. nearly 100%

Researchers have concluded that in general, ________ norms are more effective than ________ norms in producing desirable behaviors, such as reducing litter

a. descriptive; injunctive b. salient; subtle c. injunctive; descriptive d. subtle; salient