The phrase "as a convenience sample" is correct and usable in written English.
It is typically used in research contexts to describe a group of subjects selected based on their availability and ease of access rather than random selection.
Example: "The study utilized participants from the local community as a convenience sample to gather preliminary data."
Alternatives: "as a non-random sample" or "as an accessible sample".
Furthermore, we want to examine whether this questionnaire might be a useful tool in the diagnostic work up of autism spectrum disorders based on a group of diagnosed patients with AS, a convenience sample and a group of patients with other psychiatric diagnoses.
Thirty patients, aged 18 70 years, with neuropathic pain and hospitalized in an Algology clinic were identified as a convenience sample.
Subjects were enrolled as a convenience sample based on investigator availability.
Patients were prospectively enrolled as a convenience sample from a single urban academic emergency department with an annual volume of 85,000 patients.
Since this survey was collected as a convenience sample, the survey participants do not reflect the demographic compositions of the countries which may bias the results.
We collected qualitative interview data from 26 participants selected as a convenience sample from the larger quantitative study at three points in time: pre-implementation, post-implementation, and one semester to 1 year post-implementation.
We gathered attitudinal and experience data from a random sample of young Iowa women as well as from a convenience sample in the intervention pharmacies, but the sales data allow us to control for the other Iowa Initiatives activities via the control group, and the sales data are an objective assessment of the intervention.
The aim was to include at least 50 patients with Asperger's Syndrome (AS-group), a convenience sample (C-group) of at least 50 persons, and at least 50 patients with other psychiatric disorders (depression, schizophrenia, attention-deficit-hyperactivity-disorder, obsessive-compulsive disorder, borderline personality disorder: PD-group) in our study.
Thus, the responding physicians should be viewed as comprising a convenience sample of physicians rather than a representative sample.
Representation of ethnic specific food (Western, Vietnamese, Indian, Chinese) and portions appropriate for pregnant women, is placed alongside an explanation of the amount of exercise that is required to burn up the calories contained in the food, as below: A convenience sample of 21 women from the hospital diabetes clinic tested the first version of the intervention.
The little information available on rates of syphilis in India suggest an incidence rate of 5.4 per 100 person years in a sexually transmitted disease clinic in India from 1993-2000 and prevalence rates as high as 21.9% amongst a convenience sample of long-distance truck-drivers in 2000 [ 4, 5].
