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N450 Exam (all chapters) (2).
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- N450 - Ch. 3 - Principles Of Geriatrics
N450 Exam (all chapters) (2).
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N450 Exam (all chapters)A wellness center wishes to determine whether a stress-reduction series of classes increases
perceived efficacy of participants. A pre/post questionnaire was administered to all participants.
A.Experimental
B.Quasi-experimental
C.Qualitative
D.Time-series design - ANS-B.Quasi-experimental
Can community-based participatory research be qualitative or quantitative? - ANS-Can be either
How validity and reliability are reported - ANS-Methods section of a research report
- The title of the instrument
- A definition of the concept or construct
- A sentence or two about the reliability and validity data
The reliability coefficient of a new instrument is established at 0.78. Based on this information,
which of the following is the most appropriate consideration when deciding to use the instrument
for a study?
A. Consider further testing to increase the coefficient score
B. The instrument can be considered accurate based on content validity
C. Determine how many questions participants will be required to answer
D. Consistency in measurement is reflected in the coefficient score - ANS-D. just because
something is reliable does not mean it is valid. HOWEVER, if something is valid it is considered
reliable. The statement only states reliability coefficient, which measures reliability/consistency
What alpha is sufficient evidence for supporting the internal consistency of the instrucment? -
ANS-Above 0.70
what are the 4 major ways to collect data? - ANS-Observation
Self-report
Physiological data
Existing data
What are the advantages of a correlational study? - ANS-flexible to investigate complexities
efficient for large data collection
, potential foundation for experimental studies
framework to explore relationships that cannot be manipulated
What are the advantages of Cohort/Prospective/Longitudinal Repeated Measures Studies? -
ANS-Each subject is followed up separately and thereby serves as his or her own control.
Increased depth of responses can be obtained.
What are the advantages of cross-sectional studies? - ANS-Less time consuming and
expensive.
Large amounts of data can be collected at one point, making the results more readily available.
The confounding variable of maturation, resulting from the elapsed time, is not present.
What are the different variables for survey studies? - ANS-Variables: opinions, attitudes or facts
Fact variables: gender, income level, political and religious affiliations, ethnicity, occupation and
educational level
What are the elements of a good quantitative research design? - ANS-Objectivity
Accuracy
Control
Homogeneity
Randomization
what are the four components of a clinical question? - ANS-Population: Sngle or a group of pt
intervention: healthcare action that can potentially change outcomes
comparison: control and experiemental group
outcome: more effective
what are the major kinds of validity? - ANS-Content validity
Criterion related
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