Which of the following factors contributes to higher test reliability?

The __________ is the staff member that oversees the research assistants, and ensures that the

principal investigator's protocol is followed. Fill in the blanks with correct word

Hormones influence sexual behavior by

A) directing the development of many of the anatomical, physiological, and behavioral characteristics that distinguish one as male or female. B) activating the reproduction-related behavior of sexually mature adults. C) dividing into two separate pools, male hormones and female hormones, which have opposite, mutually exclusive effects. D) all of the above E) both A and B