In middle childhood physical growth continues at a slow but steady pace. How many pounds per year does the average child gain in weight during this time?
a. 2 to 4 pounds
b. 5 to 7 pounds (2.5-3 kg)
c. 7 to 9 pounds
d. 10 to 12 pounds
B
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Caitlin is in an experiment in which her reaction to violent videos is being measured. This measurement of the study outcome would be called what?
A. independent variable B. causation C. dependent variable D. correlation
Four-year-old Keifer says, "We wented to school.". This most likely indicates that:
a. Keifer's parents use poor English at home b. Keifer has forgotten the proper way to form past tense c. English is not Keifer's native language d. Keifer is overgeneralizing a grammatical rule
The rate of preterm births is highest among which group?
a. American Indians b. Asian Americans c. African Americans d. Hispanics/Latinos
REM sleep is important for learning and memory over the lifespan.
Answer the following statement true (T) or false (F)