Without random assignment, which of the following can happen?
1.
naturally occurring co...
![Mathematics](/tpl/images/cats/mat.png)
Mathematics, 28.08.2019 04:30, Neon29
Without random assignment, which of the following can happen?
1.
naturally occurring confounding variables can result in an apparent relationship between the explanatory and response variables.
2.
the results may not be able to be extended to a larger population.
3.
many people in the study will drop out because they aren’t happy with the treatment they were assigned to. this will cause bias in the results.
4.
none of the above
![answer](/tpl/images/cats/otvet.png)
Answers: 1
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