Which statement describes a condition due to which an observational study has to be used?
A)
...
Mathematics, 11.05.2021 15:40 lele2010
Which statement describes a condition due to which an observational study has to be used?
A)
Some of the variables in the context cannot be measured.
B)
A large number of sample members from the population is available.
C)
It is unethical to set the value of an independent variable in the sample
members.
D)
There are too many independent variables for the researcher to manipulate
at once.
Answers: 3
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