A researcher who wants to find out if a statistical relationship exists between variables should use a(n)
A. questionnaire.
B. experiment.
C. correlation.
D. case study.
Answer: C
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Which term refers to the overly restrictive use of words, common among children just mastering spoken language?
A. holographic speech B. referential style C. overextension D. underextension
In a study by Passarotti et al. (2003), researchers showed children and adults one face for half a second, and then another face for half a second. Participants pressed buttons to indicate whether the faces were the same or different. Brain activation occurred in the same areas for adults and children __________.
A. but covered a larger area of the brain in children than adults, indicating greater efficiency in the adults B. but covered a smaller area of the brain in children than adults, indicating greater efficiency in the adults C. and covered a similar amount of area of the brain in children and adults, indicating equal degrees of efficiency D. but was more disorganized in children than in adults
A theory of evolution based on natural selection was developed independently by ____.?
a. ?Charles Darwin and Alfred Wallace b. ?Charles Darwin and Charles Lyell c. ?Joseph Hooker and Charles Darwin d. ?Erasmus Darwin and Charles Darwin e. ?Jean Lamarck and Charles Darwin
PCP is thought to act by influencing receptors for __________
a. dopamine b. glutamate c. serotonin d. acetylcholine