Exam (elaborations)
NURS 641 midterm review questions with correct answers
- Course
- NURS 630
- Institution
- Maryville University Of St. Louis
NURS 641 midterm review questions with correct answers
[Show more]
Content preview
NURS 641 midterm review questions with correctanswers
The strength of association between two variables is indicated by which
statistical method?
a. Correlation coefficient
b. Cronbach's alpha
c. Dichotomous measurement
d. Histogram Correct Answer-A correlation coefficient
What does a p-value of 0.08 mean?
a. There are 8 chances in 100 that the finding is true
b. There are 8 chances in 100 that the finding is a chance variation
c. There are 8 chances in 10 that the finding is true
d. There are 8 chances in 100 that the finding is biased Correct Answer-
B.
,When one variable precedes the other in time and the correlation
between them is high, which statement can be made with confidence?
a. The variable that comes earliest in time causes the other variable
b. There is a high level of association between the two variables
c. The two variables have an association with an outcome variable
d. There are no extraneous variables at work in the situation Correct
Answer-B
What does the statistic r2 represent?
a. What would happen if the variable were present at twice the levels
found
b. The chances that the variables are perfectly correlated
c. The proportion of variation in one variable that is accounted for by
variation in the other variable, and vice versa
d. What the correlation coefficient would be if the sample size were
twice as large Correct Answer-C
, What are the two dimensions that describe a relationship between two
variables?
a. Truth and consequences
b. Direction and strength
c. Strength and weakness
d. Increasing and decreasing variation Correct Answer-B
In a correlation study, the p value of a Pearson r statistic is 0.005. What
does this mean?
a. There is a small association between the two variables
b. There is a very small chance that the relationship between the two
variables is zero
c. The variable that is first in time determined .5% of the variation in the
other variable
d. Only 5% of the variables are the result of shared influences Correct
Answer-B
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 cracker. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $16.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
67474 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now