Raymond B. Cattell advanced the study of personality by applying a statistical method called case-study analysis

The average age of menarche for girls of normal weight is 15 years 6 months

Indicate whether this statement is true or false.

Which of the following statements about schedules of reinforcement is FALSE?

a. The different patterns of responding that the different schedules produce are detectable with a cumulative recorder. b. Schedules of reinforcement specify the conditions that must occur before a response produces a reinforcer. c. Schedules of reinforcement can be classified as ratio and interval and as fixed and variable. d. The conditions that follow a reinforcer response acquire the greatest control of the response. e. Ratio schedules typically produce higher rates of responding than interval schedules.