Who is using a cross-sectional research design?
a. Fred, who is assessing study habits in fifth graders in three different countries
b. Barney, who is assessing the study habits in a group of fifth graders and who will follow and assess this same group when they get to eighth and then eleventh grade
c. Wilma, who is simultaneously testing the study habits of fifth, eighth, and eleventh graders
d. Betty, who is assessing the study habits of fifth graders in the year 2003, and plans to assess eighth-graders' study habits in 2004 and eleventh graders' habits in 2005
c
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The Minnesota Study of Twins Reared Apart studied DZ twins reared in separate households.
Answer the following statement true (T) or false (F)
What sensory organs responsible for balance are also related to motion sickness?
a. ciliary muscles b. the cochlea c. the olfactory bulb d. the semicircular canals
In order to be considered preterm an infant must be born before the ____ week of prenatal development
a. 37th b. 38th c. 39th d. 40th
Suppose a three-year-old child recently learned to climb into a large chair and pedal a tricycle. How does this child's motor skills compare to other children who are the same age?
A. Deficient; exhibits the motor skills of a typical 18-month-old B. Deficient; exhibits the motor skills of a typical 2-year-old C. Normal; exhibits the motor skills of a typical 3-year-old D. Advanced; exhibits the motor skills of a typical 5-year-old