How many minutes of complete darkness does it take to reach maximum visual sensitivity?

Research published in 2008 exploring the probability of being in good or excellent physical health examined five types of marital statuses – married, never married, divorced, widowed, and separated people

The data were collected over 31 years, between 1972 and 2003. In that time period, two "types" of individuals actually experienced an increase in the probability that they are in good of excellent physical health. Which two are they? a. People who are married and people who have never been married. b. People who are divorced and people who are widowed. c. People who are divorced and people who have never been married. d. People who are married and people who are separated.

Max Wertheimer is associated with which one of the following schools of thought?

a. Gestalt psychology b. behaviorism c. psychoanalysis d. functionalism