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Developing and Validating Rapid Assessment Instruments$
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Neil Abell, David W. Springer, and Akihito Kamata

Print publication date: 2009

Print ISBN-13: 9780195333367

Published to Oxford Scholarship Online: September 2009

DOI: 10.1093/acprof:oso/9780195333367.001.0001

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Study Design

Study Design

Chapter:
(p.53) 3 Study Design
Source:
Developing and Validating Rapid Assessment Instruments
Author(s):

Neil Abell

David W. Springer

Akihito Kamata

Publisher:
Oxford University Press
DOI:10.1093/acprof:oso/9780195333367.003.0003

This chapter provides an overview of the design of the psychometric study. First, sampling issues are addressed, including who should be recruited and in what numbers, with guidance on anticipating the impact of planned statistical analyses. The relative merits of “clinical” and “non-clinical” samples are discussed, and the chapter reflects on “real world” gaps between methodological ideals (i.e., probability samples) and the accessibility of populations of interest for social service and health care providers. The development of a complete data collection package, including its components, layout, and sequence is outlined. Incorporation of relevant demographic indicators and the inclusion of standardized and non-standardized measures for examining evidence of construct and criterion-based validity are discussed. Well-designed scales and tests must be validated in thoughtfully constructed studies where recruitment and training of associates, anticipation of labor and costs, and plans for data management and entry have all been carefully considered.

Keywords:   sampling, sample size, data collection instrument, coding, content sequencing, reactivity, instrument layout, validation components, estimating costs, training associates

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