As the sample size increases, a t distribution will look ______ the z distribution.
A. flatter than
B. closer to
C. different from
D. taller than
Answer: B
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During middle childhood,
a. children and parents spend moretime together. b. fathers' involvement tends to center on recreational activities. c. children continue to spend more time with their fathers than with their mothers. d. mothers tend to communicate more traditional gender-role expectations than fathers.
What are the types of interference? Provide an example for each.
What will be an ideal response?
There are often very few observations per condition when studying complex cognition because
a. it is often necessary to test each participant individually in a time-consuming procedure. b. there is very little variability among subjects in performance of these tasks. c. the variability among subjects can be compensated for statistically. d. statistical power is not affected by the number of observations obtained.
Which of the following is a dangerous side effect of the drug Ecstasy (also called MDMA)?
a. brain damage b. coma c. respiratory distress d. blindness