With respect to motor development, reaction time
a. is better in females than males.
b. improves with age.
c. declines after adolescence.
d. remains the same over time.
B
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Babies across diverse cultures display basic facial expressions.
Answer the following statement true (T) or false (F)
The gene for nerve deterioration X (NDX) disorder is located on the X chromosome. What can we conclude?
a. It is more prevalent in females. b. It is more prevalent in males. c. Only mothers can pass down the gene for NDX. d. Only fathers can pass down the gene for NDX.
Which of the following is true about the lipids that compose the cell membrane?
A. The "heads" are in contact with extracellular and intracellular fluid and the "tails" are oriented away from these fluids. B. The "tails" are in contact with extracellular and intracellular fluid and the "heads" are oriented away from these fluids. C. Half of all "heads" and "tails" are in contact with extracellular fluid. D. Both "heads" and "tails" are in contact with intracellular fluid.
The _____of a test is the extent to which it measures what it is supposed to measure
a. validity c. standardization b. reliability d. none of these