A hospital researcher wants to compare pain management strategies across different departments and ensures equal representation from surgery, pediatrics, and oncology. Which sampling technique should be employed?
Stratified sampling
When a population has distinct subgroups (strata) and each must be represented, the researcher divides the population into strata — here surgery, pediatrics and oncology.
A random sample is then drawn from each stratum, giving equal or proportional representation of every department. This is stratified sampling.
Simple random sampling may under-represent a department, convenience sampling is non-random, and snowball sampling relies on referrals from participants.
Hence, Stratified sampling.
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A nurse researcher is planning to study the effects of a new intervention. She wants her results to be applicable to a wide population. Which characteristic should guide her research design?
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Important Questions from Nursing Research & Statistics
In the context of utilizing research in nursing practice, what is the primary role of clinical guidelines derived from systematic reviews?
A nurse researcher is planning to study the effects of a new intervention. She wants her results to be applicable to a wide population. Which characteristic should guide her research design?
Which of the following terms in research methodology refers to the consistency and reproducibility of a measurement tool?
According to NFHS vital statistics, which indicator most directly reflects improvements in child health services?
