Which of the following is necessary to conduct a study properly?
A)Get a representative sample.
B)Get a large enough sample.
C)Decide whether or not the study should be an observational study or a randomized (controlled) experiment.
D)All of the above.

Question

Quizplus · Accepted Answer

All of the above options are necessary to conduct a proper study. A representative sample is needed to ensure that the findings can be applied to the larger population. A large enough sample size is needed to make sure that the results are statistically significant. Finally, it is important to decide whether to conduct an observational study or a randomized controlled experiment, depending on the research question and ethical considerations.

Which of the Following Is Necessary to Conduct a Study