The first indication of purposeful, goal-directed behavior occurs during infancy at around 8 months of age
Indicate whether the statement is true or false
True
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African American children adopted by white middle-class families had
a. higher IQ scores than the African American population. b. higher IQ scores than their adoptive parents. c. lower IQ scores than their adopted siblings. d. lower IQ scores than the African American population.
Three-year-old Candace watches Timmy fall and scrape his knee. She immediately comforts him and provides him with empathy. Candace is using her __________.
A. peripheral nervous system B. glial cell system C. mirror neuron system D. motor neuron system
Research on the impact of day care on children shows that _______
A) most children who attend day care do not become emotionally attached to their mothers B) the quality of care is the most important factor: Better care is associated with better outcomes C) children thrive in day care regardless of the quality of the caregivers
A researcher wants to know if cholesterol levels are lower in vegetarians or nonvegetarians. Which statistical test would be most appropriate for this data?
A. t test B. chi-square test C. analysis of variance D. Pearson correlation