The occurrence of the secular trend in height and weight:
a. has been documented in the U.S. only.
b. has been documented in the U.S. and nearly all European countries.
c. is beginning to disappear in all countries.
d. is found in every country in the world.
Question 2
With coordination of secondary schemes:
a. the child can differentiate between how to achieve a goal and the goal itself.
b. the child is coordinating primary circular reactions.
c. the child engages in actions in a deliberate trial-and-error fashion to learn how things work.
d. the child is still engaging in most repetitions of behaviors by accident.
Orangutan males are twice the size and weight of females.
Lucy’s Body Weight Proportions Compared to a Bonobo
B. F. Skinner documented how operant conditioning changes behavior.
The diminishing effects on body weight of a low-calorie diet and a high-calorie diet.
Trends in U.S. Tornado Occurrence
Measuring a child’s height with a measuring stick