Exam (elaborations)
NURS 2031 Final Questions With Complete Solutions
- Course
- Institution
NURS 2031 Final Questions With Complete Solutions
[Show more]
Content preview
NURS 2031 Final Questions With Complete Solutions(step 3 in scale development):
What are some biases that can be present when responding?
Correct Answer -social desirability bias
-yea-saying/acquiescence bias (responders agree with any
statement even if they don't actually)
-end-aversion bias (avoids extremes of the scale)
-cultural factor (some people from certain cultures may be more
reserved/weary of offending - yea-saying/some may be more
expressive and likely to choose extreme ends)
(step 3 in scale development):
What are some ways to scale the items (display the options)
Correct Answer -categorical judgements:
-continuous judgements
(step 3 in scale development):
What is cognitive interviewing/how does it help develop scales?
Correct Answer -it involves asking people to read the terms and
rephrase them into their own words OR asking people in
interview format to answer the questions and explain their
answers.
-this can help identify problems in the questions such as
difficulty of the Qs, comprehension, clarity, misinterpretation
etc.)
-normally done with 10-15 people.
(step 3 in scale development):
What problems should you be watching out for in the language
used in the scales? Correct Answer -jargon
,-double-barreled questions: asking more than one question in
one
-vague quantifiers: e.g. often, seldom, rarely etc.
(step 4 in scale development - selecting the items):
What is a factor analysis and how is it used to analyze the scales.
Correct Answer -advanced statistical procedure used to
determine if a large number of variables (such as items on a
scale) can be grouped into a number of subgroups in which the
variables correlate highly with each other and poorly with other
items.
-Factor analyze the scale:
1) because item grouping makes clinical sense
2) loading (correlation) of each item is at least 0.35 (moderate)
to consider keeping.
3) item should load (correlate) on only one factor.
-if any are not met - scrape and rewrite the item.
(step 4 in scale development - selecting the items):
why do you test the scale first with >50 people (10 people per
item on the scale ideally) / what do you do with this
information? Correct Answer -to ensure that all responses are
used by some.
-you should eliminate the items which were not used
-eliminate items which more than 90% gave the same response.
Define Health Research: Correct Answer any research relevant
to health - incorporates diverse number of methodologies
,Define Research: Correct Answer systematic process of
enquiry that aims to generate new scientific knowledge.
Explain a stratified sample: Correct Answer -not a selection
method but a way to organize the population into homogenous,
mutually exclusive way groups called start.
-samples can then be selected from the individual strata (any
sample design can then be used)
-good for skewed populations and to ensure that adequate
sample sizes for domains of interest.
Explain cluster sampling: Correct Answer randomly selecting
complete groups of the population units from a sampling frame.
2-step process:
1. population needs to be separated into groups
2: select sample of clusters
Explain interval variables: Correct Answer -values are equally
spaced
-zero is not meaningful
-can calculate mean, standard deviation and conduct parametric
statistics.
Explain multi-stage sampling: Correct Answer -select a sample
in 2 or more stages where the units at each stage are different in
structure and hierarchy
-Primary stage (PSU) and secondly stage (SSU)
-can have any number of stages
-e.g. stage 1: city blocks
stage 2: dwellings
stage 3: a few people per household
, -decreases travel time, interview time and cost.
explain nominal variables: Correct Answer -same as
categorical
-can calculate mode
-researchers may assign numbers to each category but numbers
are meaningless
Explain ordinal variables: Correct Answer -rank order
categories
-(e.g. likert scale)
-can calculate median, range and conduct non-parametric
statistics
Explain Population descriptors: Correct Answer -can be
identified using inclusion and exclusion criteria.
-e.g. gender/age/ethnicity/marital status/religion/health
status/diagnosis
Explain ratio variables: Correct Answer -meaningful zero
-can calculate mean, standard deviation and parametric statistics.
Explain simple random sampling: Correct Answer -a one-step
selection method which ensures that every element of the
accessible population has an equal chance
-with or without replacement
-uses a sampling frame
(kinda like drawing names out of a hat)
Explain Step 1: Identify the research topic, idea or problem...
Correct Answer -select a topic that you are enthusiastic about
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Classroom. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $14.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
75632 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now