Systematic desensitization is based on the operant conditioning principles of stimulus control and nonreinforcement

Which psychologist described the state of attention overload and believed that city dwellers learn to prevent it by engaging only in brief, superficial social contacts, by ignoring nonessential events, and by fending off others with cold and unfriendly expressions?

a. B. F. Skinner b. Stanley Milgram c. John Calhoun d. Garrett Hardin

After a divorce, the extent of the negative impact of the divorce on children is mediated by

a. whether the child is male or female. b. whether or not the parent adopts or continues authoritative parenting. c. the age of the child (preschool vs. middle childhood). d. whether the child was a high achiever in school or not prior to the divorce.