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Development and Evaluation of Validity and Utility of the Instrument Assessment of Work Performance (AWP)
Linköping University, Department of Social and Welfare Studies, Health, Activity, Care. Linköping University, Faculty of Health Sciences.
2007 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

The last decades have shown a great need for vocational rehabilitation due to high levels of absenteeism due to sickness and disability pension. An essential part of the vocational rehabilitation process is assessment of persons with reduced work functioning. Adequate and reliable methods for assessment of clients with work disabilities are crucial for both the individuals who are assessed and for society as a whole. Sound and precise work assessments are needed to guide clients to suitable interventions using a minimum of rehabilitation resources. However, work function assessments are complex and there is confusion over work assessment concepts. Therefore, further development and evaluation of adequate concepts and theoretical models within the area of work assessment is needed. Furthermore, vocational rehabilitation lacks adequate and reliable assessment instruments, especially instruments used to observe clients.

This dissertation thesis focuses specifically on the following:

- Development of a conceptual framework for assessment of work functioning [Study I]

- Development and evaluation of validity and utility of the observation instrument Assessment of Work Performance (AWP) [Study II-IV]

Study I proposes a conceptual framework for different dimensions of work functioning and highlights important factors for work assessment. The study also creates a framework to define the purpose, delimination, and possible assessment outcomes of the assessment instrument AWP.

Study II develops an observation instrument for assessment of work performance, the Assessment of Work Performance (AWP) and conducts an initial evaluation of face validity and utility for the instrument. The initial evaluation in study II was made within a group of 21 assessors in Sweden, and the result indicated face validity and utility for the AWP, a result that supported further development and evaluation of the instrument.

Study III investigates the content validity and utility of the AWP. A questionnaire was answered by 67 respondents who used the AWP in various vocational rehabilitation settings in Sweden. The result indicated content validity and utility for the AWP.

Study IV investigates the construct validity of the instrument AWP. This study is based on 364 assessments with the AWP (version 1.1). The clients had various work-related problems and went through an insurance medicine investigation at a Social Insurance Office in Sweden between 2004 and 2005. The major findings in this study indicated that the AWP has construct validity, sensitivity, and the ability to discriminate between clients. It is also gender neutral.

The future evaluation of AWP will comprise testing of predictive validity, inter-rater reliability and internal consistency reliability as well as an evaluation of how and with what results the instrument can be combined with other work-related assessment instruments.

Place, publisher, year, edition, pages
Institutionen för samhälls- och välfärdsstudier , 2007. , 20 p.
Series
Linköping University Medical Dissertations, ISSN 0345-0082 ; 1009
Keyword [en]
ability, measurement, MOHO, occupational therapy, rehabilitation, vocational
National Category
Occupational Therapy
Identifiers
URN: urn:nbn:se:liu:diva-10577ISBN: 978-91-85831-04-3 (print)OAI: oai:DiVA.org:liu-10577DiVA: diva2:17312
Public defence
2007-09-25, K1, Kåkenhus, Campus Norrköping, LiU, Norrköping, 09:00 (English)
Opponent
Supervisors
Available from: 2008-01-21 Created: 2008-01-21 Last updated: 2009-08-22
List of papers
1. Work functioning - a conceptual framework
Open this publication in new window or tab >>Work functioning - a conceptual framework
2004 (English)In: Work, ISSN 1051-9815, Vol. 23, no 2, 147-157 p.Article in journal (Refereed) Published
Abstract [en]

Adequate and reliable methods for evaluation of clients with work disabilities are crucial for both the individuals who are assessed and for society as a whole. Sound and precise work assessments are needed to guide clients to suitable interventions using a minimum of rehabilitation resources [31,46,51,68]. Occupational therapy literature contains evidence that work function assessments are complex and that there is confusion over work assessment concepts [30,31]. Therefore, further development and evaluation of adequate concepts and theoretical models within the area of work assessment is needed [68,74]. This article proposes a conceptual framework for different dimensions of work functioning and points out important factors for work assessment. The concepts proposed and defined in the article are: work functioning, work participation, work performance, and individual capacity.

Keyword
occupational therapy, ability, performance, capacity, assessment
National Category
Medical and Health Sciences
Identifiers
urn:nbn:se:liu:diva-12892 (URN)
Available from: 2008-01-21 Created: 2008-01-21 Last updated: 2009-06-03
2. Assessment of Work Performance - Development of an Instrument
Open this publication in new window or tab >>Assessment of Work Performance - Development of an Instrument
2006 (English)In: Work, ISSN 1051-9815, Vol. 26, no 4, 379-387 p.Article in journal (Refereed) Published
Abstract [en]

Adequate work assessments are a matter of importance both for individuals and society [5,29,31,38,40,46,52]. However, there is a lack of adequate and reliable instruments for use in work rehabilitation [14,15,20,21,31,44]. The purpose of this study was to develop and evaluate an observation instrument for assessing work performance, the AWP (Assessment of Work Performance). The purpose of the 14-item instrument is to assess the individual's observable working skills in three different areas: motor skills, process skills, and communication and interaction skills. This article describes the development and results of preliminary testing of the AWP. The testing indicates a satisfactory face validity and utility for the AWP and supports further research and testing of the instrument.

Keyword
Occupational therapy, measurement, instrument development, skills, MOHO
National Category
Occupational Therapy
Identifiers
urn:nbn:se:liu:diva-12893 (URN)
Available from: 2008-01-21 Created: 2008-01-21 Last updated: 2009-06-03
3. Content Validity and Utility of the Assessment of Work Performance (AWP)
Open this publication in new window or tab >>Content Validity and Utility of the Assessment of Work Performance (AWP)
2008 (English)In: Work, ISSN 1051-9815, Vol. 30, no 4, 441-450 p.Article in journal (Refereed) Published
Abstract [en]

In the area of work rehabilitation, many decisions about future interventions for the client are based on the results of various kinds of assessments. Therefore, it is important that the assessment instruments used are adequate, useful, and reliable. The purpose of this study was to investigate the content validity and utility of the instrument Assessment of Work Performance (AWP) which is used to assess an individual's observable (working) skills during work performance, i.e. how efficient and appropriate a client performs a work activity. A questionnaire was answered by 67 respondents who used the AWP in various work rehabilitation settings in Sweden. The result indicates content validity and utility for the AWP that supports further testing of the instrument.

Keyword
Occupational therapy, measurement, instrument development, skills, MOHO
National Category
Medical and Health Sciences
Identifiers
urn:nbn:se:liu:diva-12894 (URN)
Available from: 2008-01-21 Created: 2008-01-21 Last updated: 2009-05-14
4. Construct validity of the Assessment of Work Performance (AWP)
Open this publication in new window or tab >>Construct validity of the Assessment of Work Performance (AWP)
Show others...
2009 (English)In: Work: A journal of Prevention, Assesment and rehabilitation, ISSN 1051-9815, E-ISSN 1875-9270, Vol. 32, no 2, 211-218 p.Article in journal (Refereed) Published
Abstract [en]

The instrument Assessment of Work Performance (AWP 1.1) can be used to assess an individuals skills during work performance-how efficient and appropriate a client performs a work task. The instrument is currently used by over 300 assessors working in a variety of work rehabilitation settings in Sweden, and it has been used with over 10,000 clients. In this study, the construct validity of the AWP 1.1 was tested with 364 assessments of clients with a variety of various work-related problems assessed by six occupational therapists in a Social Insurance Office in Sweden between 2004 and 2005. Principal Component Analysis shows construct validity of the AWP 1.1. Further, the findings indicate that the instrument is sensitive and discriminates between clients, and no gender related patterns were identified.

Place, publisher, year, edition, pages
IOS Press, 2009
Keyword
Instrument development, Model of Human Occupation (MOHO), occupational therapy, vocational rehabilitation
National Category
Medical and Health Sciences
Identifiers
urn:nbn:se:liu:diva-17879 (URN)10.3233/WOR-2009-0807 (DOI)000264925800012 ()
Available from: 2009-04-25 Created: 2009-04-24 Last updated: 2013-09-13Bibliographically approved

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