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Health, 16.09.2019 16:30 rosemary909
One of the challenges of conducting health research is that it is impossible, and unethical, to manipulate certain variables, such as sexual behaviors or smoking. the research design that examines differences between groups without manipulating these groups isa. experimental.
b. ex post facto or quasi-experimental.
c. random assignment.
d. longitudinal.
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One of the challenges of conducting health research is that it is impossible, and unethical, to mani...
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