Author Question: Random __________ is used to get a representative sample from the population of interest so the ... (Read 75 times)

kodithompson · **on:** Jul 24, 2018

Random __________ is used to get a representative sample from the population of interest so the results can be extended to that population.
Fill in the blank(s) with correct word

Question 2

Without random assignment, which of the following can happen?
a. Naturally occurring confounding variables can result in an apparent relationship between the explanatory and response variables.
b. The results may not be able to be extended to a larger population.
c. 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.
d. None of the above.