Convenience Sampling

Known as: CONVENIENCE SAMPLE, Volunteer Sample 
 
National Institutes of Health

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Sampling Studies

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Highly Cited
2014
Highly Cited
2014
Ten-year effects of the advanced cognitive training for independent and vital elderly cognitive training trial on cognition and everyday functioning in older adults.
OBJECTIVES To determine the effects of cognitive training on cognitive abilities and everyday function over 10 years. DESIGN… (More)
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Highly Cited
2010
Highly Cited
2010
Association of interruptions with an increased risk and severity of medication administration errors.
BACKGROUND Interruptions have been implicated as a cause of clinical errors, yet, to our knowledge, no empirical studies of this… (More)
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Highly Cited
2007
Highly Cited
2007
Transoral robotic surgery: radical tonsillectomy.
OBJECTIVE To describe and show the feasibility of a new surgical technique for transoral robotic surgery (TORS) radical… (More)
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Highly Cited
2007
Highly Cited
2007
Caring for a relative with dementia: family caregiver burden.
AIM This paper is a report of part of a study to investigate the burden experienced by families giving care to a relative with… (More)
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Highly Cited
2006
Highly Cited
2006
Long-term effects of cognitive training on everyday functional outcomes in older adults.
CONTEXT Cognitive training has been shown to improve cognitive abilities in older adults but the effects of cognitive training on… (More)
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Highly Cited
2003
Highly Cited
2003
A treadmill and overground walking program improves walking in persons residing in the community after stroke: a placebo-controlled, randomized trial.
OBJECTIVE To evaluate the effectiveness of a treadmill and overground walking program in reducing the disability and handicap… (More)
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Highly Cited
2000
Highly Cited
2000
A randomized, wait-list controlled clinical trial: the effect of a mindfulness meditation-based stress reduction program on mood and symptoms of stress in cancer outpatients.
OBJECTIVE The objective of this study was to assess the effects of participation in a mindfulness meditation-based stress… (More)
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Highly Cited
1998
Highly Cited
1998
Phenotypic and genetic structure of traits delineating personality disorder.
BACKGROUND The evidence suggests that personality traits are hierarchically organized with more specific or lower-order traits… (More)
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Highly Cited
1996
Highly Cited
1996
A family intervention to delay nursing home placement of patients with Alzheimer disease. A randomized controlled trial.
OBJECTIVE To determine the long-term effectiveness of comprehensive support and counseling for spouse-caregivers and families in… (More)
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Highly Cited
1996
Highly Cited
1996
Noncompliance and treatment failure in children with asthma.
BACKGROUND Accurate and reliable information about children's use of inhaled medications is needed because of the growing… (More)
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