What is the difference between the independent variable and dependent variable and what are some ways to improve reliability and validity.

Reading Assignment (20 points): Statistics for Evidence-based
Practice in Nursing

a) Answer the following questions in your own words:
i. What is the difference between the independent variable and dependent variable. Give examples of each
ii. Differentiate between a discrete variable, continuous variable, qualitative variable and quantitative variable
iii. What are some ways to improve reliability and validity
iv. Levels of measurement are an important factor in determining which type of chart to use. Explain why this is the case

2. SPSS Assignment (80 points)
In a study of medical surgical nursing student exam grades Dr. Koestler examined 40 participants in an undergraduate medical surgical class. The exam grades were reported on a continuous scale from 0 to 100. The SPSS assignment records the exam grades for all 40 subjects.

1. Use the Exam_Score2 dataset to prepare the following in SPSS (20 points).
a. A frequency distribution
b. A cumulative frequency distribution
c. A histogram (cut and paste to this document)
d. A frequency polygon

2. Determine from your output (20 points)
a. Using the Robert E. Smith School of Nursing Grading Scale determine what percentage of the students failed the exam?

b. Determine the Mean, Mode and Median of this data set

3. How would you describe the shape of this distribution in terms of: Shape, Modality, Center, Range, Outliers, Gaps (30 points)

What is the difference between the independent variable and dependent variable and what are some ways to improve reliability and validity.

Place your order
(550 words)

Approximate price: $22

Calculate the price of your order

550 words
We'll send you the first draft for approval by September 11, 2018 at 10:52 AM
Total price:
$26
The price is based on these factors:
Academic level
Number of pages
Urgency
Basic features
  • Free title page and bibliography
  • Unlimited revisions
  • Plagiarism-free guarantee
  • Money-back guarantee
  • 24/7 support
On-demand options
  • Writer’s samples
  • Part-by-part delivery
  • Overnight delivery
  • Copies of used sources
  • Expert Proofreading
Paper format
  • 275 words per page
  • 12 pt Arial/Times New Roman
  • Double line spacing
  • Any citation style (APA, MLA, Chicago/Turabian, Harvard)

Our guarantees

Delivering a high-quality product at a reasonable price is not enough anymore.
That’s why we have developed 5 beneficial guarantees that will make your experience with our service enjoyable, easy, and safe.

Money-back guarantee

You have to be 100% sure of the quality of your product to give a money-back guarantee. This describes us perfectly. Make sure that this guarantee is totally transparent.

Read more

Zero-plagiarism guarantee

Each paper is composed from scratch, according to your instructions. It is then checked by our plagiarism-detection software. There is no gap where plagiarism could squeeze in.

Read more

Free-revision policy

Thanks to our free revisions, there is no way for you to be unsatisfied. We will work on your paper until you are completely happy with the result.

Read more

Privacy policy

Your email is safe, as we store it according to international data protection rules. Your bank details are secure, as we use only reliable payment systems.

Read more

Fair-cooperation guarantee

By sending us your money, you buy the service we provide. Check out our terms and conditions if you prefer business talks to be laid out in official language.

Read more