A help-desk operator's performance at Chips and Bytes Computer Company is evaluated by assessing the number of calls he takes on any given day. The other aspects of his job (e.g., customer satisfaction) are not included. The resulting performance measure would be considered a(n)

Regarding the information provided by the nonexperimental methods, which of the following statements is FALSE?

a. The case study method allows the investigation of rare or unusual problems or events. b. The correlational method allows us to predict behavior. c. The findings from naturalistic observations allow us to describe behavior. d. The survey method is used to establish cause-and-effect relationships regarding human behavior.

Verbal IQ usually begins to decline in the

A) twenties. B) forties. C) sixties. D) eighties.