The decision of how many people needed in a random sample to represent the population should be based on the
A. number of people available and willing to participate in the survey.
B. financial resources available to the researcher for completing the survey.
C. the availability of an adequate sampling frame.
D. degree of variability in the population.
D. degree of variability in the population.
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Research has indicated that when a high school student begins to work over ____ hours a week at a part-time job during the school year, academic problems may arise
a. 5 b. 10 c. 15 d. 20
A researcher using the approach of ____ wants to understand how the world is experienced by others from their perspective
a. ethnography b. phenomenology c. grounded theory d. participatory action research
According to set-point theory, the size of fat cells is determined by:
a. heredity. b. eating habits during adolescence and adulthood. c. diet during the first two years of life. d. the mother's diet before birth of the child.
Today, synthetically produced human growth hormone is recommended for children who lack sufficient endogenous HGH
Indicate whether the statement is true or false