Sandeep recently sent out questionnaires to 75 people who are participating in his research study on the link between diet and academic performance. Which of the following terms best describes this group?
A. population
B. case
C. sample
D. cohort
Answer: C
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When cleaning her closet, Nadia finds her 20-year-old wedding photo album. As she flips through the pictures, she starts to cry joyful tears. Seeing the photos and rekindling the emotions of her wedding day most likely activated her
a. thalamus. b. prefrontal cortex. c. amygdala. d. medial temporal lobe.
An example for using ______ sampling technique is if the population of interest is unequal in gender, and men and women differ on the behavior of interest, a researcher might wish to match the percentage of men and women in their sample to the percentage of men and women in the population to make sure that gender is represented the same way as in the population.
A. simple random B. convenience C. cluster D. stratified random
During the first year of life, the trunk grows the fastest. During the second year of life, the legs grow the fastest. Which principle does this illustrate?
a. proximodistal b. orthogenetic c. cephalocaudal d. biogenetic
Answer the following statement(s) true (T) or false (F)
Substance use treatment must be voluntary to be effective.