The hypothesis, "A person's emotional status is not affected by a relocation to a nursing home" is which of the following?
A) Null
B) Not testable
C) Directional
D) Nondirectional
A
Feedback:
Null hypotheses, which express the absence of a relationship, are the hypotheses subjected to statistical testing. A testable research hypothesis, such as this one, states predicted relationships between two or more variables—that is, the anticipated association between independent and dependent variables. Directional hypotheses predict the direction of a relationship; nondirectional hypotheses predict the existence of relationships, not their direction.
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