A comparison study investigating the levels of depression in blind and sighted adolescents does not use a hypothesis. Does the lack of a hypothesis in this study represent a weakness? Why or why not?
a. Not a weakness; study is descriptive
b. Not a weakness; study is quasi-experimental
c. Is a weakness; study is descriptive
d. Is a weakness; study is quasi-experimental
ANS: A
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A The title suggests a descriptive study, and a hypothesis is not necessary.
B The study title is descriptive comparative and is not quasi-experimental.
C A hypothesis is not necessary for a descriptive study.
D The study is nonexperimental, so a hypothesis is not necessary.
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