sample

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Related to convenience sample: random sample, quota sample, Systematic sample

sample

[′sam·pəl]
(science and technology)
Representative fraction of material tested or analyzed in order to determine the nature, composition, and percentage of specified constituents, and possibly their reactivity.
(statistics)
A selection of a certain collection from a larger collection.

sample

A small specimen of material, or a single unit of many such items to be furnished, which is in conformity with the requirements for the specifications; furnished for review and approval; establishes standards by which work will be judged.

sample

(digital signal processing)
The result of measuring the amplitude of an analog signal at a specified time. In digital signal processing a sample is a signed or unsigned number and the number of samples per second is called the sample rate.
References in periodicals archive ?
The formula for calculating the design factor is the standard deviation in simple random sample divided by the standard deviation in the convenience sample (Hainville and Jowell, 1983).
Sample: A convenience sample of 385 predominantly Caucasian women with advanced-stage breast cancer receiving chemotherapy and/or hormonal therapy.
Of 603 patients from a convenience sample of adults who met 1987 ACR criteria for RA classification, 230 had at least one documented cardiovascular disease event, and those patients, compared with patients without a cardiovascular disease event, had significantly lower total hip and lumbar spine bone mineral density, and were four times as likely to have osteoporosis (60% vs.
Second, because contact information for a number of facilities could not be found, a convenience sample was added to the random sample.
After appropriate literature searches, the investigators developed a survey instrument, and a convenience sample of nursing faculty was used to gather information.
Number of Subjects: Two cohorts (n = 24, n = 29) of PT students recruited by convenience sample were recruited for the study.
Thus, a convenience sample of two or three thousand respondents is gathered and because there is original data even more sophisticated analysis may be accomplished.
Her study involved a convenience sample of 278 adult outpatients with chronic stage C heart failure who were interviewed by research assistants to assess medication adherence during the previous month.
A 15-item survey was distributed to a convenience sample of dental hygienists attending the MDHA Annual Scientific Session in April of 2008 and at the September 2008 meeting of local components.
A convenience sample included 206 recent baccalaureate-nursing graduates from 5 universities in Poland and 252 experienced nurses with a minimum of 5 years of experience.