200 students were randomly selected to fill out a survey at a
university. is this probability or non-probability? Correct
Answer probability
3 characteristics of an experimental design Correct Answer 1.
manipulation
2. randomization
3. control
6 types of non-probability sampling Correct Answer haphazard
judgement
volunteer
quota
modified probability
network or snowball
a correlation coefficient comparing study time and grades is .80.
can one conclude GREATER study time causes GOOD grades?
Correct Answer no, a positive relationships does not necessarily
lead to a CAUSAL effect
a nurse analyzes survey data and notes that people who have
higher mental health scores also have higher incomes, higher
levels of trust, and are more likely to have children. what is the
appropriate test used? Correct Answer multiple regression
a nurse conducts a teaching session on substance use with grade
10 students. he performs a pre and post test to see if students
,have learned anything. what is the appropriate test used?
Correct Answer t-test for independent groups
a nurse educator compares NCLEX scores from four Ontario
university to see if there is a difference in pass rates. what is the
appropriate test used? Correct Answer one-way ANOVA
a nurse researcher can most accurately use the technique of
power analysis to do what? Correct Answer to estimate sample
size
a nurse researcher should attempt to clearly specify exclusion
criteria for a study sample because such criteria will do what?
Correct Answer reduce effect of extraneous variable on the
accurate evaluation of the outcome variable
a nurse surveys her unit and discovers that satisfaction with care
is higher among patients who have a partner room-in on a cot
compared to those who do not. what is the appropriate test used?
Correct Answer Chi-square
a rep from a pharmacy company presents to the nurse sat LTC
facility a new product, a pre-medication wound dressing, for
treating pressure ulcers. the presenter ask the nurses to try the
new product for 1 month and compare its effectiveness with
their current method of treatment. what type of unethical action
does this situation demonstrate? Correct Answer unauthorized
research
a researcher is testing the hypothesis that there will be a
relationship between age and QOL. he reports these results:
,r = -0.63 , p = 001 (alpha .05). are theses results statistically
significant? Correct Answer yes there is a strong negative
correlation
a researcher is testing the hypothesis that there will be a
relationship between age and QOL. he reports these results:
r = -0.63 , p = 001 (alpha .05). How would you describe these
results? Correct Answer as you age, your QOL is decreasing
a researcher knows that the voice of nurses between the age of
21 -30 is not well represented in nursing and there is a need to
ensure that this cohort be represented as well as other cohorts in
this study. how best can sub groups be well represented?
Correct Answer stratified random sample
a researcher selected 100 university students that were present at
a university fair applying for undergrad school. is this
probability or non-probability sampling? Correct Answer non-
probability
a researcher wants to survey cnd nurses and ask about their
readiness to practice with prescribing medication. how can such
a broad group of people be selected, yet still represent well the
target population? Correct Answer multi-stage sampling
(random and cluster)
a researcher would like to randomly select individuals taking a
specific class at a university and further randomize them into 2
groups. what is the best approach? Correct Answer simple
random sample
, accepting the null hypothesis when it is false is.... Correct
Answer type 2 error
are higher SD more or less spread out Correct Answer more
spread out scores
are lower SD scores more or less spread out Correct Answer
less spread out
Can an instrument be reliable but not valid? Correct Answer
YES
compare single and married women at time of birth of their first
child to see if there is a difference in smoking status. what type
of test would you use? Correct Answer Chi-Square
confidence the scale is measuring the correct phenomena is...
Correct Answer construct validity
correlation coefficient range in number from... Correct
Answer .00 to either +1.00 or -1.00 with the (+ or -) indicating
the direction of the relationship, the number indicates the
magnitude of the relationship
define a sample frame Correct Answer list of items or people
forming the population from which the sample is taken
Define Constructivism Correct Answer many various socially
constructed objects. Ex: social beliefs, ideologies, behaviours,
human action.
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 $15.99. You're not tied to anything after your purchase.