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Research Methods and Measurement in Nursing: Reliability, Validity, and Sampling Techniques.

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Research Methods and Measurement in Nursing: Reliability, Validity, and Sampling Techniques. Questions with answers already graded! In a pilot study to help train a group of data collectors who will evaluate children's pain using a FACES rating scale, the researcher examines the reliability of the scores of each data collector. This is an example of which type of reliability measure? - Answer Interrater reliability A researcher evaluates scores of a paper and pencil instrument with variables at the interval level of data using the Cronbach's alpha coefficient statistical procedure. This is a test of: - Answer internal consistency reliability A researcher administers a scale measuring self-confidence and one measuring self-doubt to a group of subjects and performs a correlational analysis of the results. This is a test of validity from: - Answer divergent validity A researcher is studying the effect of hypnosis on pain experienced during dental procedures. The researcher's study has two groups: those who receive hypnosis during the procedure and those who receive no hypnosis. If the researcher plans to use a t-test for the statistical analysis, which would be the best way to measure pain for this study? - Answer numerical pain scale with a range from 0 to 100 A researcher performs a series of pilot studies to evaluate whether a measurement tool produces consistent results. This is an evaluation of: - Answer Reliability A researcher develops a 7-point Likert scale to evaluate feelings of well-being in patients who are undergoing chemotherapy. The researcher administers this measure to other, similar patients in several medical centers. This is done in order to: - Answer improve the test-retest reliability A researcher develops a new instrument to measure coping skills and conducts a pilot study to compare the new tool with an existing tool that measures this concept. This is an example of evidence of validity from: - Answer Convergent validity A researcher evaluates whether a tool addresses the major elements of the construct being studied. This helps to ensure: - Answer content validity A 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? - Answer 120 Using a table of random numbers, the sample of 400 subjects was selected from the list of the license numbers of all registered nurses in the state of Michigan. Each nurse was sent a letter requesting completion of an online survey on workplace bullying. This is an example of what type of sampling method? - Answer Simple random sampling A researcher studying depression in relation to five predictor variables decides to include five more variables in the study because the literature reveals that they may also be involved in depression. Consequently, the researcher will do which of the following? - Answer Use a larger sample size.

Aperçu du contenu

Review of Key Medical Concepts and Case
Scenarios for Clinical Practice.
Questions with answers already graded!

Compare and contrast the two types of gangrenous necrosis
Exam 1 - Answer✔Dry gangrene occurs when blood supply is slowly
reduced to an area. The area is dehydrated and becomes dark or black in
color. Commonly seen in patients with diabetes. It is not very painful,
but tissues eventually die.

Wet gangrene is caused by a sudden reduction in blood flow. The area is
cold and swollen, with no pulse. This can occur from trauma. Bacteria is
involved and is very painful. It has the appearance of pus, because it
looks wet. There is also a foul smell

Metaplastic cells are not better prepared to survive under stressful
circumstances. True or False
Exam 1 - Answer✔False

Hypertrophy can occur under normal and pathological conditions. True
or False
Exam 1 - Answer✔True

Which are true of the mitochondria? Select all that apply
Exam 1

1) It is involved in cellular respiration
2) They are found far from the site of energy consumption
3) They play a role in apoptosis
4) They control free radicals - Answer✔It is involved in cellular
respiration
They play a role in apoptosis

, Which are true of the cell membrane? Select all that apply
Exam 1

1) Controls the transport of materials from the outside fluids to within
2 )The main structural component is made of proteins
3) Helps with the conduction of electrical currents in nerve and muscle
cells
4) Aids in the regulation of cell growth and proliferation -
Answer✔Controls the transport of materials from the outside fluids to
within
Helps with the conduction of electrical currents in nerve and muscle
cells
Aids in the regulation of cell growth and proliferation

Cell proliferation is the process in which proliferating cells become
more specialized cell types. True or False
Exam 2 - Answer✔False Answer: cell differentiation

Cell differentiation is the process of increasing cell numbers by mitotic
cell division. True or False
Exam 2 - Answer✔False, Answer: cell proliferation

What are two important properties that stem cells possess
Exam 2 - Answer✔Potency and self-renewal

These are cells of the same lineage that have not yet differentiated to the
extent that they have lost their ability to divide
Exam 2 - Answer✔progenitor or parent cells

is a systemic treatment that enables drugs to reach the site of the tumor
as well as other distant sites
Exam 2 - Answer✔chemotherapy

Infos sur le Document

Publié le
7 novembre 2024
Nombre de pages
10
Écrit en
2024/2025
Type
Examen
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Questions et réponses
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