Identify the characteristic of a research statement that is missing from this statement: "The investigation, which was conducted at a well-baby clinic, focused on sleep behaviors of infants between the ages of 8 and 14 months."
The independent variable.
The population of interest.
The setting of the study.
The dependent variable.
The Correct Answer is A
A. The statement mentions the setting ("well-baby clinic"), the population ("infants between the ages of 8 and 14 months"), and the dependent variable ("sleep behaviors"). However, it does not specify what is being manipulated or compared—the independent variable—such as feeding methods, sleep training interventions, or environmental factors.
B. The population of interest is clearly identified as infants aged 8 to 14 months.
C. The setting is explicitly stated as a well-baby clinic.
D. The dependent variable is "sleep behaviors," which is the focus of the investigation.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. This approach respects the autonomy of vulnerable subjects by seeking their consent whenever possible, alongside guardian consent, showing heightened sensitivity to their rights.
B. Petitioning for exempt review relates to risk assessment, not specifically to protecting vulnerable subjects.
C. Having the wife sign consent for a visually impaired subject may bypass the subject’s own informed consent, which is ethically inappropriate.
D. Asking prisoners to sign two consent forms is a procedural step but does not necessarily demonstrate sensitivity beyond formal requirements.
Correct Answer is C
Explanation
A. p = .001 indicates a 0.1% chance of the result occurring by chance, which is more stringent than the 1% stated.
B. The findings are not inconclusive since the probability of chance is low (1%).
C. A 1% chance of findings occurring by chance corresponds to p = .01, indicating statistical significance.
D. Saying "99% of the time this finding would be accurate" is a misinterpretation of p-values and should be avoided.
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