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- Title
A review of empirical research related to the use of small quantitative samples in clinical outcome scale development.
- Authors
Houts, Carrie; Edwards, Michael; Wirth, R.; Deal, Linda; Houts, Carrie R; Edwards, Michael C; Wirth, R J; Deal, Linda S
- Abstract
<bold>Introduction: </bold>There has been a notable increase in the advocacy of using small-sample designs as an initial quantitative assessment of item and scale performance during the scale development process. This is particularly true in the development of clinical outcome assessments (COAs), where Rasch analysis has been advanced as an appropriate statistical tool for evaluating the developing COAs using a small sample.<bold>Methods: </bold>We review the benefits such methods are purported to offer from both a practical and statistical standpoint and detail several problematic areas, including both practical and statistical theory concerns, with respect to the use of quantitative methods, including Rasch-consistent methods, with small samples.<bold>Conclusions: </bold>The feasibility of obtaining accurate information and the potential negative impacts of misusing large-sample statistical methods with small samples during COA development are discussed.
- Subjects
QUANTITATIVE research; EMPIRICAL research; STATISTICIANS; COHORT analysis; CARDIOVASCULAR diseases; MENTAL health; QUALITY of life; HEALTH outcome assessment; PSYCHOMETRICS
- Publication
Quality of Life Research, 2016, Vol 25, Issue 11, p2685
- ISSN
0962-9343
- Publication type
journal article
- DOI
10.1007/s11136-016-1364-9