From top to bottom, what are the study designs associated with the strongest level of evidence base? (Select all that apply.)
a. Randomized controlled trial
b. Quasi-experimental
c. Correlational
d. Descriptive study
e. Phenomenal
ANS: A, B, C, D
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Correct A randomized controlled trial is the highest level of evidence.
Quasi-experimental design is the second highest level.
Correlational design is the third highest level of evidence.
Descriptive design is the lowest level of evidence base.
Incorrect A phenomenal study design will not have a strong level of evidence base.
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