Biostat Exam 3 Questions & Answers 2024/2025
B - ANSWERSHow can research be classified?
A) simple or complicated
B) descriptive and analytical
C) short or long
D) none of the above
B - ANSWERSA qualitative study is an example of analytical type of research
A) true
B) false
A - ...
B - ANSWERSA qualitative study is an example of analytical type of research
A) true
B) false
A - ANSWERSAll are examples of qualitative studies EXCEPT
A) animal experiment
B) focus group
C) interview
D) observation
A - ANSWERSthe dependent variable is the outcome of interest
A) true
B) false
,D - ANSWERSThe design of research project should be based on..
A) research question
B) objective and specific aims
C) hypothesis
D) all of the abover
A - ANSWERSA cross-sectional study could be descriptive or analytical
A) true
B) false
C - ANSWERSThe PROS of prospective studies are...
A) relatively short
B) allow studying rare conditions
C) allow studying the exposure-disease relationship
D) none of the above
A - ANSWERSwhat is true about the inclusion and exclusion criteria in an observational study?
A) it is driven by the hypothesis
B) should include individuals with many comorbidities
C) should exclude children
D) if too many, it allows generalization of study results
D - ANSWERSwhich are sampling strategies for observational studies?
A) stratified sampling
, B) block sampling
C) cluster sampling
D) all of the above
D - ANSWERSwhich of the following is a data collection type?
A) body measurements
B) medical records
C) blood samples
D) all of the above
A - ANSWERSrandomized clinical trials are the gold standard for nutritional research
A) true
B) false
A - ANSWERSin a randomized clinical trial, participants are:
A) randomized to the treatment or control group
B) always blinded to the treatment
C) are always their own control
D) are not compensated for their participation
A - ANSWERSParticipants usually sign an informed consent before they start participating in a study
A) true
B) false
D - ANSWERSthe following are components of a study...
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 Bensuda. 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.
