Exam 10: Sampling

The recruitment goal for subjects in a research study is set at 1,000 participants aged 20 to 30,600 participants aged 31 to 40,and 200 participants aged 41 to 50.What type of sampling strategy is represented by this research plan?

How can a nurse researcher know whether a factor or condition of a sample meets the criterion for representativeness?

What factors should a nurse researcher consider when determining a proposed quantitative sample size? (Select all that apply.)

When could a nurse researcher justify excluding subjects on the basis of gender?

A nurse researcher has made a generalization based on the experience of a small number of participants.What will be the outcome of this action?

The nurse researcher opts to select into the treatment group every fourth college student who registers for a specific course.What type of sampling strategy does this represent?

The nurse researcher opts to use probability sampling in a research study.What is considered to be the primary characteristic of a probability sample?

In a study to determine whether placement on a water pillow affects head shape in preterm infants,the first 50 preterm infants admitted to a newborn intensive care unit during a specific year were assigned to either a usual-care group or a treatment group placed on water pillows.What type of sampling strategy is represented by this research plan?

How should a nurse researcher expect a sample to differ from a population?

Which statement about systematic sampling is most accurate?

Why would a nurse researcher hesitate to use nonprobability sampling?

What is the appropriate sampling interval for drawing a systematic sample of 25 subjects who had a mastectomy from 200 subjects who had that surgery during 1 year at a specific hospital?

A researcher is establishing the processes for developing a sample for an upcoming research study.In order from largest to smallest,which components of sampling concepts will the researcher consider? A.Target population B.Accessible population C.Sample D.Population E.Element

What are types of nonprobability of sampling? (Select all that apply.)

Which statement regarding sample size is most accurate?

A nurse researcher is planning a study about a highly unusual,rare genetic condition.Which sampling approach would the researcher most likely incorporate?

What tool can a nurse researcher use to restrict the study population to homogeneous groups of subjects?

The nurse researcher is deciding on a sampling strategy for the research study.Which type(s)of strategies would be considered to be probability sampling strategies? (Select all that apply).