The question "Is there a relationship between caffeine intake and intraocular pressure in patients with glaucoma?" is an example of which type of research?
a. Basic
b. Correlational
c. Historical
d. Phenomenological
ANS: B
Correlational research investigates the relationship between or among variables.
Basic research is scientific investigation that involves the pursuit of "knowledge for knowledge's sake."
Historical research is a type of qualitative research.
Phenomenological research is a type of qualitative research.
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