A nurse has defined the research question as, "Is there a relationship between self-esteem and body weight among postmenopausal women?" What type of research-question format (or research design) is implied by this question?
a. Correlational nonexperimental
b. Comparative nonexperimental
c. Quantitative experimental
d. Grounded theory nonexperimental
ANS: A
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A Self-esteem and body weight are variables that are related in an associative way. The word, relationship, strongly suggests correlational design studies.
B A comparative nonexperimental study would compare differences between two or more groups.
C A quantitative experimental study would include an intervention and measure its effect numerically.
D A grounded-theory design would measure the meaning or impact of a phenomenon.
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