How can a nurse researcher take action in a quantitative research study to eliminate bias on the dependent variable?
A) By establishing strict eligibility criteria for the study participants
B) By ensuring that all data are collected by a single researcher
C) By formulating at least two hypotheses for each research question
D) By testing a theoretical framework

Question

Quizplus · Accepted Answer

Correct A: Strict eligibility criteria help reduce extraneous or mediating variables that compete with study variables for impact on the dependent variable.
Incorrect B: Collection of data by a single researcher would not control bias if poor sampling techniques are used.
Incorrect C: Formulating two hypotheses would not eliminate bias potential and could possibly confuse the study.
Incorrect D: Testing of a theoretical framework does not control bias effects on the dependent variable by itself.

How Can a Nurse Researcher Take Action in a Quantitative