When researchers study the same sample over a long period of time, as was done in a number of longitudinal studies that were launched in the 1920s and 1930s, their results may be limited by all of the following phenomena except

Alcohol goes into the __________ and is absorbed into the blood, after which it is metabolized by the __________

a) small intestine; kidneys b) small intestine; liver c) stomach; liver d) stomach; kidneys

Based on Erikson's theory, we could help people to maintain their ego strengths through

A) loving them. B) modeling. C) cultural supports. D) money.