Researchers secretly dabbed a red spot on the nose of babies of different ages and then placed them in front of a mirror. They were testing ______________________
a. expressive language ability
b. short-term memory
c. self-recognition
d. gender identity
Answer: C
Psychology
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Attributable risk is determined by subtracting the ______ rate of a disease in people who have been exposed to a risk factor from the ______ rate of the disease in people who have not been exposed to the risk factor
A) incidence; prevalence B) prevalence; incidence C) prevalence; prevalence D) incidence; incidence
Psychology
The most important factor to ensure that one's results apply to other people in other settings is to use
A) extremely large sample sizes. B) extremely small sample sizes. C) random assignment. D) random selection.
Psychology