Which Hypothesis Is Nondirectional

question 11

Multiple Choice

Which hypothesis is nondirectional?

• A) Hospitals with an infection-control nurse will have fewer instances of sepsis among inpatients than hospitals without an infection-control nurse.
• B) There will be a greater weight loss among dieting patients who receive a weekly supportive telephone call from a dietitian than among dieting patients who do not receive a weekly supportive phone call.
• C) There will be a difference in stage of disease for prostate cancer among men who had an abnormal prostate-specific antigen screening compared with men who had an abnormal digital rectal examination screening.
• D) Children who receive weekly counseling for 1 year after the death of a parent will perform better in school than children who do not receive weekly counseling after the death of a parent.

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Definitions:

Independent Variables

Variables in an experiment that are manipulated or changed to observe their effect on the dependent variables.

Manipulated

Being controlled or influenced in a deceitful way, often without being aware of it, which can affect behavior and decision-making.

Audio-CASI Method

An interviewing technique using audio computer-assisted self-interviewing to enhance privacy and reduce bias.

Interviewing Research Technique

A method used in qualitative research that involves conducting in-depth interviews to gather detailed information.