STATISTICS FOR NURSING RESEARCH A
WORKBOOK FOR EVIDENCE BASED PRACTICE
4TH EDITION EXAMINATION TEST COMPLETE
QUESTIONS AND ANSWERS
◉ Why is sampling critical in research?
Answer: It ensures accurate representation, generalizability,
reliability, and relevance.
◉ Define Target Population.
Answer: The specific set of individuals who meet all defined
sampling criteria.
◉ What is an Accessible Population?
Answer: The portion of the target population that the researcher has
reasonable access to.
◉ What is a Sample Population?
Answer: The actual group of people who will participate in the study.
◉ What does the formula for Acceptance Rate calculate?
Answer: (Number of Acceptances / Total meeting criteria) * 100.
, ◉ What is Sample Attrition?
Answer: Loss of participants during the course of a study.
◉ Differentiate between Probability Sampling and Non-Probability
Sampling.
Answer: Probability Sampling uses random selection; Non-
Probability Sampling does not.
◉ What is the purpose of Measurement Theory?
Answer: To ensure that a researcher measures what they intended
to measure.
◉ Define Reliability in measurement.
Answer: The degree to which an instrument produces stable and
consistent results.
◉ What does Validity focus on?
Answer: Whether the instrument measures the specific abstract
concept it is intended to measure.
◉ What is the ultimate goal of applying reliability and validity?
WORKBOOK FOR EVIDENCE BASED PRACTICE
4TH EDITION EXAMINATION TEST COMPLETE
QUESTIONS AND ANSWERS
◉ Why is sampling critical in research?
Answer: It ensures accurate representation, generalizability,
reliability, and relevance.
◉ Define Target Population.
Answer: The specific set of individuals who meet all defined
sampling criteria.
◉ What is an Accessible Population?
Answer: The portion of the target population that the researcher has
reasonable access to.
◉ What is a Sample Population?
Answer: The actual group of people who will participate in the study.
◉ What does the formula for Acceptance Rate calculate?
Answer: (Number of Acceptances / Total meeting criteria) * 100.
, ◉ What is Sample Attrition?
Answer: Loss of participants during the course of a study.
◉ Differentiate between Probability Sampling and Non-Probability
Sampling.
Answer: Probability Sampling uses random selection; Non-
Probability Sampling does not.
◉ What is the purpose of Measurement Theory?
Answer: To ensure that a researcher measures what they intended
to measure.
◉ Define Reliability in measurement.
Answer: The degree to which an instrument produces stable and
consistent results.
◉ What does Validity focus on?
Answer: Whether the instrument measures the specific abstract
concept it is intended to measure.
◉ What is the ultimate goal of applying reliability and validity?
