Development of Gazi Functional Vision Assessment Instrument

This study aimed to develop a valid and reliable instrument that measures the functional vision of students with low vision. Thus, an assessment tool and performance activities were developed for three vision skill groups (near vision skills, distance vision skills, and visual field) that include fu...

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Autores principales: Pinar Safak*, Salih Cakmak, Tamer Karakoc, Pinar Aydin O'Dwyer
Formato: article
Lenguaje:EN
Publicado: RU Publications 2021
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Acceso en línea:https://doaj.org/article/aac38998f3da4417ad3a208cc34ec635
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spelling oai:doaj.org-article:aac38998f3da4417ad3a208cc34ec6352021-11-11T08:19:08ZDevelopment of Gazi Functional Vision Assessment Instrument2165-871410.12973/eu-jer.10.4.1973https://doaj.org/article/aac38998f3da4417ad3a208cc34ec6352021-10-01T00:00:00Z https://eu-jer.com/EU-JER_10_4_1973.pdf https://doaj.org/toc/2165-8714This study aimed to develop a valid and reliable instrument that measures the functional vision of students with low vision. Thus, an assessment tool and performance activities were developed for three vision skill groups (near vision skills, distance vision skills, and visual field) that include functional vision skills. The universe was 1485 students studying in various primary and middle schools (from 2nd to 7th grades) affiliated to the Ministry of National Education, and simple random sampling was used to select 310 students. The data were collected using the Gazi Functional Vision Assessment Instrument developed by the researchers. Many-facet Rasch model and generalizability theory were used for the rater reliability of the measurements obtained from the instrument, while discriminant analysis was used for the validity of the measurements. The analysis showed that the measurements were reliable, and the inferences based on these measurements were valid. Thus, this instrument can be used to identify and assess the functional vision status of students with low vision.Pinar Safak*Salih CakmakTamer KarakocPinar Aydin O'DwyerRU Publicationsarticledistance vision functional vision assessment low vision near vision visual field.EducationLENEuropean Journal of Educational Research , Vol 10, Iss 4, Pp 1973-1987 (2021)
institution DOAJ
collection DOAJ
language EN
topic distance vision
functional vision assessment
low vision
near vision
visual field.
Education
L
spellingShingle distance vision
functional vision assessment
low vision
near vision
visual field.
Education
L
Pinar Safak*
Salih Cakmak
Tamer Karakoc
Pinar Aydin O'Dwyer
Development of Gazi Functional Vision Assessment Instrument
description This study aimed to develop a valid and reliable instrument that measures the functional vision of students with low vision. Thus, an assessment tool and performance activities were developed for three vision skill groups (near vision skills, distance vision skills, and visual field) that include functional vision skills. The universe was 1485 students studying in various primary and middle schools (from 2nd to 7th grades) affiliated to the Ministry of National Education, and simple random sampling was used to select 310 students. The data were collected using the Gazi Functional Vision Assessment Instrument developed by the researchers. Many-facet Rasch model and generalizability theory were used for the rater reliability of the measurements obtained from the instrument, while discriminant analysis was used for the validity of the measurements. The analysis showed that the measurements were reliable, and the inferences based on these measurements were valid. Thus, this instrument can be used to identify and assess the functional vision status of students with low vision.
format article
author Pinar Safak*
Salih Cakmak
Tamer Karakoc
Pinar Aydin O'Dwyer
author_facet Pinar Safak*
Salih Cakmak
Tamer Karakoc
Pinar Aydin O'Dwyer
author_sort Pinar Safak*
title Development of Gazi Functional Vision Assessment Instrument
title_short Development of Gazi Functional Vision Assessment Instrument
title_full Development of Gazi Functional Vision Assessment Instrument
title_fullStr Development of Gazi Functional Vision Assessment Instrument
title_full_unstemmed Development of Gazi Functional Vision Assessment Instrument
title_sort development of gazi functional vision assessment instrument
publisher RU Publications
publishDate 2021
url https://doaj.org/article/aac38998f3da4417ad3a208cc34ec635
work_keys_str_mv AT pinarsafak developmentofgazifunctionalvisionassessmentinstrument
AT salihcakmak developmentofgazifunctionalvisionassessmentinstrument
AT tamerkarakoc developmentofgazifunctionalvisionassessmentinstrument
AT pinaraydinodwyer developmentofgazifunctionalvisionassessmentinstrument
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