Dr. Jackson is performing statistical analyses to combine the results of a number of studies investigating the relationship between locus of control and health-promoting behaviors among young adults. Dr. Jackson is conducting a ______.

Which personality type tends to be extroverted, people-oriented, and sociable?

A) Social B) Enterprising C) Conventional D) Realistic

Which one of the following distributions is probably negatively skewed?

a. family income in dollars per year b. scores on a very difficult test c. scores on a moderately difficult test d. scores on a very easy test