Nokea
Comparing numbers and rates of illness in a community, rates are preferred for:
- A. Conducting surveillance for communicable diseases
- B. Deciding how many doses of immune globulin are needed
- C. Estimating subgroups at highest risk
- D. Telling physicians which strain of influenza is most prevalent
Correct Answer: C
Rationale: Rates allow comparisons across populations and help identify high-risk groups.
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Which method is suitable for teaching mother group about preparation of superflour:
- A. demonstration
- B. group discussion
- C. roleplaying
- D. exhibition
Correct Answer: A
Rationale: Demonstration is an effective method for teaching practical skills such as preparing superflour.
Standard error is measure of
- A. Conceptual error
- B. Sampling error
- C. Instrumental error
- D. Observer error
Correct Answer: B
Rationale: Standard error quantifies the precision of the sample mean as an estimate of the population mean.
Weight, height, length is
- A. Ordinal scale
- B. Interval scale
- C. Ratio scale
- D. Nominal scale
Correct Answer: C
Rationale: Weight, height, and length are ratio scales as they have a true zero point and allow for meaningful ratios.
Community based participatory researches (CBPR) use
- A. Emic perspective
- B. Etic perspective
- C. Technical perspective
- D. Both b and c
Correct Answer: D
Rationale: CBPR often employs both etic and technical perspectives to ensure comprehensive understanding and applicability.
The statistical analysis of two unrelated big data (n=200) is by:
- A. A paired t-test
- B. Chi-square test
- C. Z-test
- D. Unpaired test
Correct Answer: D
Rationale: Unpaired tests compare means between two independent large samples.