A researcher is studying the use of hypnosis to lower pain during dental procedures.
The participants in this study will either receive hypnosis during the procedure or not
receive hypnosis. If a researcher wishes to compare these two groups using a t-test,
what type of measurement of pain would be most appropriate for this study? Answer
Ratio scale from 0 to 100
A researcher runs a series of pilot studies designed to determine if a measurement
instrument produces consistent scores. This is a test of: -Answer Reliability
A researcher constructs a 7-point Likert scale designed to measure state of well-being
for patients undergoing chemotherapy. The researcher takes this measure and
administers it to other, similar patients in a variety of medical centers. The purpose of
this is to: -Answer improve the test-retest reliability
In a pilot study, to help train a group of data collectors who are to assess children's pain
using a FACES rating scale, the researcher investigates the reliability of the scores of
each data collector. What type of reliability measure is this? - Answer Intercoder or
interrater reliability
A researcher compares scores of a paper and pencil instrument with variables at the
interval level of data using the Cronbach's alpha coefficient statistical procedure. This is
a test of: - Answer internal consistency reliability
A researcher is testing a scale of self-confidence and one measuring self-doubt to a
group of subjects and correlates the two sets of results. This is a test of validity from: -
Answer divergent validity
A researcher has designed a new instrument to measure the use of coping skills and
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 Easton. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.99. You're not tied to anything after your purchase.