A researcher studies a large group of people, obtaining the same percentages of male and female, young and old, as in the total population. What kind of sample is this?

According to equity theory, workers are motivated to

a. outperform others whenever there is competition. b. maintain fair relationships with other workers. c. do the least amount of work possible. d. avoid evaluation on the part of supervisors.

Natalie is eight years old. Her parents have always spoiled her and given her anything that she has asked for. Based on Adler's theory of individual psychology, this parental pampering may cause Natalie

a. to develop exaggerated feelings of weakness and inadequacy. b. to develop a weak superego. c. to be dominated by her superego as an adult. d. to develop feelings of competence and self-sufficiency.