When reading Peplau's theory, a nurse was unable to determine the relationships among concepts. The nurse listed each concept and drew lines denoting relationships to be able to understand the effect of each element. The nurse created a:
a. hypothesis.
b. model.
c. construct.
d. variable.
ANS: B
Correct: A model is a group of concepts that are associated because of their relevance to a common theme.
Incorrect:
a. A hypothesis asks the question that is to be the main focus of a theory.
c. A construct is similar to a concept; it is an idea or an object that can be "built" together with others into a theory.
d. A variable is an object, event, or person that has an effect on a theory; a variable is usually manipulated or measured.
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