Mary wants to compare the frequency of externalizing behaviors among adolescent girls in 9th and 10th grade relative to adolescent girls in 11th and 12th grade. Which of the following would be the best method for Mary’s study?
A. A cross-sectional study, because it has greater generalization and fewer ethical concerns
B. A cross-sectional study, because it decreases artificiality
C. A longitudinal study, because it takes less time and resources
D. A longitudinal study, because it will compare the same participants at different ages
Answer: D
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a. four degrees of separation between people b. five degrees of separation between people c. six degrees of separation between people d. seven degrees of separation between people
Myelination occurs in
A. motor systems before it occurs in sensory systems. B. sensory systems before it occurs in motor systems. C. interneurons before either motor or sensory systems. D. interneurons, sensory systems, and motor systems all at the same time.