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Contributions of the Delphi technique to the validation of an occupational therapy assessment in the visual impairment field1 1 This article is part of the doctoral research developed in the Graduate Program in Health, Interdisciplinarity and Rehabilitation/Faculty of Medical Sciences/UNICAMP, entitled “Validation of Occupational Therapy Assessment for Adolescents and Adults with Visual Impairment”. The current ethical procedures were complied with.

Abstract

Introduction

The Delphi Technique is used to establish consensus on a given subject, in areas that still need construction, validation, revision, or better exploration of knowledge and intervention methods.

Objective

To show the contributions of the Delphi Technique as a validation strategy for an Occupational Therapy assessment for visually impaired persons.

Method

Quali-quantitative research, descriptive and exploratory, using the Delphi Technique as a validation strategy for the assessment. A non-probabilistic accessibility sample was constituted for the composition of a panel of experts. The questionnaires and the Assessment were sent, by e-mail, on the same date to all participants. An electronic device was exclusively used as a mechanism for sending and receiving documents. Data analysis took place during the collection, considering that the next round started only after analyzing the data from the previous questionnaire. To achieve consensus, the result of the round should have CVItotal≥0.90 and CVIitem≥0.78 and stability in the participants' suggestions.

Results

A panel was formed with 8 experts, held three rounds of the Technique, with a total duration of 12 months. In the third and last round, the CVItotal=0.97, and there were no suggestions that would cause changes in the Assessment. Therefore, it was considered valid.

Conclusion

The Delphi Technique proved to be advantageous allowing its online and anonymous performance among the participants, permitting the participation of professionals with heterogeneous expertise, who contributed and granted the establishment of consensus regarding the content, structure, language, organization, and the need for items for an Occupational Therapy assessment in visual impairment field, resulting in its validation.

Keywords:
Occupational Therapy; Visually Impaired Persons; International Classification of Functioning; Disability and Health; Disability Evaluation; Validation Study; Delphi Technique

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