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

Question

Quizplus · Accepted Answer

Eligibility criteria can be used to define specific characteristics or traits of the target population, such as age, gender, ethnicity, diagnosis, or treatment status. This can help ensure that the sample is more homogeneous and thus reduce potential confounding variables that might affect the study outcomes. Sampling can also be used to select specific subgroups of the population, but it is not necessarily a guarantee of homogeneity. Self-selection can lead to sampling bias, as it may attract participants who are more motivated or knowledgeable about the topic, or who have certain preferences or biases. Defining study limitations is important for transparency and external validity, but it does not directly influence the homogeneity of the sample.

What Can a Nurse Researcher Use to Restrict the Study