Cohen's d is the standardized difference between two population means.

The _____ gland is associated with body rhythms and sleep cycles.

a. pituitary b. pineal c. thyroid d. adrenal e. pancreas

A person who has the symptoms of __________ personality disorder would come across to others as being very strange or unusual, and might hold peculiar or magical beliefs. They may also have difficulty making and keeping friends because of their odd or

eccentric tendencies. a. schizotypal b. antisocial c. schizoid d. borderline