Symptoms of menopause, when the hormonal system and body regulation mechanisms are altered, logically involve changes in the:

According to Freud, defense mechanisms would be best defined as ways to

a. channel psychic energy into more manageable behaviors. b. shift psychic energy to the superego. c. determine rules for right and wrong. d. coordinate the needs of the id with reality.

In a hybrid design, either cross-sectional or longitudinal data is collected from two different samples of children obtained at different times. Among other things, this type of design enables researchers to test for _________________

a. cohort effects b. age effects c. intervention effects d. whether cross-sectional designs are better than longitudinal designs