REGIS NU631 Week 8 Quiz Latest 2021 March (100% Graded)

NU631 Scientific Inquiry for Evidence-Based Practice

Week 8 Quiz

Question 1Which of the following types of sampling is least common in qualitative research?

 a.Convenience

 bPurposive

 c.Snowball

 d.Random

Question 2A researcher studies spending habits of teenagers in shopping malls. The researcher visits two local malls to solicit participants. From what kind of population has the researcher selected the sample?

 a.The accessible population

 b.The entire population

 c.The target population

 d.The Hypothetical population

Question 3What is a true statement about inclusion and exclusion criteria?

 a.Inclusion and exclusion criteria determine the demographics of the sample.

 b.Inclusion and exclusion criteria must be mutually exclusive.

 c.Inclusion and exclusion criteria are the opposites of one another.

 d.Inclusion and exclusion criteria never address the study purpose.

Question 4Large sample sizes are desirable in which types of research?

 a.Grounded theory

 b.Phenomenology

 c.Pilot interventional research

 d.Multisite randomized clinical trials

Question 5Why are convenience samples used so frequently in nursing research?

 a.More subjects consent if they understand the sampling method

 b.Obtaining a true random sample of sufficient size may be impossible

 c.There is a low risk of sampling bias

 d.There is a plethora (tons) of subjects available

Question 6A researcher attempted to recruit all 150 of the patients seen in the emergency department in a three month period for diverticulitis, but only 120 consented to participate. What is the sample size?

 a.150

 b.120

 c.30

 d.80%

Question 7A researcher attempted to recruit all 150 of the patients seen in the emergency department in a three-month period for diverticulitis, but only 120 consented to participate. What is the refusal rate?

 a.100%

 b.80%

 c.20%

 d.0%

Question 8A woman answers the telephone and hears, Good morning. You have been selected randomly by our marketing department because of your recent purchase of McCarthy’s Natural Yogurt, several organic raw vegetables, and two types of tofu. As a woman with interest in safe and healthy products, we are asking you to participate in a brief telephone survey. What is this?

 a.Random sampling

 b.Convenience sampling

 c.Purposive sampling

 d.Systematic sampling

Question 9A researcher consented 400 subjects, but 12 dropped out of the study before it was completed. The rest finished the study. What was the sample retention rate?

 a.30%

 b.38.8%

 c.3%

 d.97%

Question 10When participants recruit other participants for a study, it is known as what type of sampling?

 a.Purposive

 b.Snowball

 c.Random

 d.Friends