What percentage of children in the United States lives with a stay-at-home parent?
A) one-half
B) one-third
C) one-quarter
D) one-fifth
Answer: B
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In what year did Sesame Street make its debut?
a. 1952 b. 1969 c. 1973 d. 1993
Some people do better on tests because of what they have learned rather than what their
inherent abilities might be. This is the basis of __________ bias. Fill in the blanks with correct word
Increasing the confidence-interval level from .95 to .99
a. increases the likelihood of including the population mean within its limits b. decreases the likelihood of including the population mean within its limits c. increases the number of degrees of freedom d. none of these, since a confidence interval may never include the true population mean
Bauer’s work on recall memory indicates around 9 months of age, memory improves along with which of the following?
a. hippocampal structures become functional b. visual cortex increases in synapses c. prefrontal cortex reaches full maturation d. motor neurons begin function