Just one question: If one question works, why ask several?
نویسندگان
چکیده
منابع مشابه
Just one question: If one question works, why ask several?
A frequently asked question by clinical investigators is why they should use a lengthy, multi-item measurement scale to assess patients’ perceptions of their health, or quality of life, when there is evidence that a measure containing a single, global question is likely to suffice. Researchers may not wish to use lengthy scales because their core questionnaires are already long, the patient gro...
متن کامل? Just one question : If one question works , why ask
These include: References http://jech.bmjjournals.com/cgi/content/full/59/5/342#BIBL This article cites 18 articles, 4 of which can be accessed free at: Rapid responses http://jech.bmjjournals.com/cgi/eletter-submit/59/5/342 You can respond to this article at: service Email alerting top right corner of the article Receive free email alerts when new articles cite this article sign up in the box ...
متن کاملOn one Question of
In relation to Fourier-Pade approximation, Ed Sa¤ observed that Taylor and Lagrange interpolation projections satisfy the following property: P (f) P (g) 2 n =) P (f g) = P (f) P (g). We classify all projections that satisfy this property, thus answering a question of Sa¤. Some error formulas for approximation with the above mentioned projections are also produced. AMS Subject Classi cation: 41...
متن کاملAsk whatever question you like
Every year, new graduates and project students make an appearance in the lab. Acquiring the skills necessary to become a researcher can be a long and painful process, and many of the hints that would help relieve the pain are not written in books. For instance, you can’t be a researcher without being able to ask questions, but this doesn’t come naturally to everyone. Once you get the knack, how...
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Sure, these are of ten the whiz kids who dazzle judges and win big awards. But it could be you as well. And the benef its f rom sticking with some research theme f or a year or more go well beyond gaining the knowledge to potentially wow teachers and science f air judges. Teens who carry out long-term research projects also gain a lif e lesson in curiosity, discipline and resilience. These are ...
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ژورنال
عنوان ژورنال: Journal of Epidemiology & Community Health
سال: 2005
ISSN: 0143-005X
DOI: 10.1136/jech.2004.021204