NURS 401 QUIZZES CH 1 to 3 | Updated Exam 2026 WITH Recent
Newest Verified And Well Analyzed Exam Questions (Actual Exam
2026-2027) Correct Detailed & Verified ANSWERS (100% Accurate
Solutions) ALREADY GRADED A+||NEWEST VERSION Of The Exam
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A researcher wishes to study the effects of a nursing intervention on children with
cancer and obtains a sample of school-age children hospitalized for cancer
treatment in a local hospital. This sample represents the:
accessible population
generalizable population.
general population
theoretical population. - ANSWERS-accessible population
A researcher begins a study with 250 subjects, and 50 subjects drop out before
the study is concluded. The researcher will declare 20% as the sample:
attrition rate
retention rate
refusal rate
acceptance rate - ANSWERS-attrition rate
To decrease the probability of systematic variation in a study to evaluate the
effects of a teaching program on disease management, the researcher will use
which sampling process?
,Systematic sampling
Cluster sampling
Convenience sampling
Random sampling - ANSWERS-Random sampling
A researcher wishes to identify all school-age children who have type 2 diabetes
mellitus in a local community in order to develop a sampling methodology for a
study of this population. Which might serve as a barrier to obtaining this
information?
Institutional Review Board (IRB)
Affordable Care Act (ACA)
Health Insurance Portability and Accountability Act (HIPAA)
Consolidated Omnibus Budget Reconciliation Act (COBRA) - ANSWERS-Health
Insurance Portability and Accountability Act (HIPAA)
When using stratified random sampling, the researcher is able to:
lower the costs associated with sampling.
avoid discussion of the effects of extraneous variables.
achieve greater control over subject selection.
use a smaller sample size - ANSWERS-use a smaller sample size
, Which statement is true about systematic sampling?
It can be used when the desired sample size is unknown
A nonrandom starting point is used when selecting subjects
Subjects have an equal chance for inclusion in the study
It provides a random chance for inclusion as a subject. - ANSWERS-It provides a
random chance for inclusion as a subject.
Which of these sampling techniques is least likely to produce findings that are
generalizable to a larger population?
Convenience
Cluster
Systematic
Quota - ANSWERS-Convenience
Prior to initiating a research study, a researcher conducts a power analysis to
determine the sample size necessary for a power level of 0.8 and an alpha of .05.
The researcher will:
use cluster sampling techniques
apply a quota sampling technique to improve generalizability.
Newest Verified And Well Analyzed Exam Questions (Actual Exam
2026-2027) Correct Detailed & Verified ANSWERS (100% Accurate
Solutions) ALREADY GRADED A+||NEWEST VERSION Of The Exam
Guarantee Pass!!
A researcher wishes to study the effects of a nursing intervention on children with
cancer and obtains a sample of school-age children hospitalized for cancer
treatment in a local hospital. This sample represents the:
accessible population
generalizable population.
general population
theoretical population. - ANSWERS-accessible population
A researcher begins a study with 250 subjects, and 50 subjects drop out before
the study is concluded. The researcher will declare 20% as the sample:
attrition rate
retention rate
refusal rate
acceptance rate - ANSWERS-attrition rate
To decrease the probability of systematic variation in a study to evaluate the
effects of a teaching program on disease management, the researcher will use
which sampling process?
,Systematic sampling
Cluster sampling
Convenience sampling
Random sampling - ANSWERS-Random sampling
A researcher wishes to identify all school-age children who have type 2 diabetes
mellitus in a local community in order to develop a sampling methodology for a
study of this population. Which might serve as a barrier to obtaining this
information?
Institutional Review Board (IRB)
Affordable Care Act (ACA)
Health Insurance Portability and Accountability Act (HIPAA)
Consolidated Omnibus Budget Reconciliation Act (COBRA) - ANSWERS-Health
Insurance Portability and Accountability Act (HIPAA)
When using stratified random sampling, the researcher is able to:
lower the costs associated with sampling.
avoid discussion of the effects of extraneous variables.
achieve greater control over subject selection.
use a smaller sample size - ANSWERS-use a smaller sample size
, Which statement is true about systematic sampling?
It can be used when the desired sample size is unknown
A nonrandom starting point is used when selecting subjects
Subjects have an equal chance for inclusion in the study
It provides a random chance for inclusion as a subject. - ANSWERS-It provides a
random chance for inclusion as a subject.
Which of these sampling techniques is least likely to produce findings that are
generalizable to a larger population?
Convenience
Cluster
Systematic
Quota - ANSWERS-Convenience
Prior to initiating a research study, a researcher conducts a power analysis to
determine the sample size necessary for a power level of 0.8 and an alpha of .05.
The researcher will:
use cluster sampling techniques
apply a quota sampling technique to improve generalizability.
