Exam (elaborations)
QAC 201 Exam 3 Questions And Answers With Verified Solutions Already Passed!!!
- Course
- Institution
QAC 201 Exam 3 Questions And Answers With Verified Solutions Already Passed!!!
[Show more]
Content preview
QAC 201 Exam 3 Questions AndAnswers With Verified Solutions Already
Passed!!!
Covariate - ANSWER✔✔ A variable that is possibly predictive of the outcome
under study
Confounder - ANSWER✔✔ A variable that is related to both the treatment and the
outcome
Moderator - ANSWER✔✔ A third variable that, depending on its level, changes
the relationship (strength or direction) between two other variables.
Volunteer sample - ANSWER✔✔ Consists of people who are willing to volunteer
for a study
Convenience sample - ANSWER✔✔ A form of nonprobability sample using
respondents who are convenient or readily accessible to the researcher—for
example, employees, friends, or relatives
Simple random sample (SRS) - ANSWER✔✔ A sample where n individuals are
selected from a population in a way that every possible combination of n
individuals is equally likely
Cluster sampling - ANSWER✔✔ A probability sampling technique in which
clusters of participants within the population of interest are selected at random,
followed by data collection from all individuals in each cluster.
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 classhub. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $10.49. 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