What is the average yearly weight gain for children between 6 and 12 years of age?

In Freud's model, mental activity

a. is divided into three zones or levels. b. is controlled by the ego. c. is entirely unconscious. d. originates in the libido.

Maricella works as a seamstress. Her boss tells her that every time she completes five shirts, she will receive $5 . When done with the five shirts, she dumps them into a bin and gets paid. Her pattern of shirt completion is most likely to be

a. rapid shirt completion with a short break after each five completed. b. long pauses after she receives the $5 c. a slow, steady rate of shirt-making without pauses. d. a fast, steady rate of shirt-making without pauses. e. linear and consistent.