Development and evaluation of a learning object focused on factors that might interfere on the radiographic image
Autor(a) principal: | |
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Data de Publicação: | 2016 |
Outros Autores: | , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Revista da ABENO (Online) |
Texto Completo: | https://revabeno.emnuvens.com.br/revabeno/article/view/325 |
Resumo: | Considering the difficulties to obtain good quality dental radiographic images taken by dental students, this study aimed to develop and to evaluate a Learning Object (LO), where the student is able to use a computer to simulate radiograph expositions, modifying the factors that interfere with the radiographic image quality. This study was exploratory and descriptive. For that, 48 periapical radiographs were obtained from the posterior region of a dried bone human jaw with different combinations of kVp/mA, film speed, focal distance, and time of exposition. Each radiograph received a “label” according to the factors used and also with a comment making a value judgment regarding its quality, its applicability for the diagnosis, and, if necessary, suggestions or questions about the required adjustments. In the LO screen students could simulate different situations (combination of factors) until obtaining the best result. Dental students (n=64) were divided into two groups. During the first week both groups participated in a theoretical lecture, and, subsequently, answered a test/assessment on the subject. In the following week Group 1 students solved practical exercises related to the subject, in the laboratory, and answered a second test/assessment. Students from Group 2 performed the activity with the LO in the laboratory. At the end of the activity, they also answered the test/assessment, and an open-ended questionnaire to evaluate the activity. At week-3 the same activities from the week before were repeated, reversing the classes, and, then, a third test/assessment was applied. Statistical tests showed that there were no statistical differences in the groups’ performance in any of the different moments of the evaluation. The use of the LO did not improved significantly the frequency of students’ correctness (number of correct responses) in the tests/assessments. However, the LO methodology was considered very good, because, according to the participants, it was a tool that stimulates learning. The use of the LO, in addition to the practical exercises, contributed to the learning process on the factors that might interfere on the radiographic image. |
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Development and evaluation of a learning object focused on factors that might interfere on the radiographic imageDesenvolvimento e avaliação de um objeto de aprendizagem sobre fatores que interferem na imagem radiográficaDental Education. Information and Communication Technologies. Learning Objects. Dental Radiology.Educação Odontológica. Tecnologias de Informação e Comunicação. Objeto de Aprendizagem. Radiologia Odontológica.Considering the difficulties to obtain good quality dental radiographic images taken by dental students, this study aimed to develop and to evaluate a Learning Object (LO), where the student is able to use a computer to simulate radiograph expositions, modifying the factors that interfere with the radiographic image quality. This study was exploratory and descriptive. For that, 48 periapical radiographs were obtained from the posterior region of a dried bone human jaw with different combinations of kVp/mA, film speed, focal distance, and time of exposition. Each radiograph received a “label” according to the factors used and also with a comment making a value judgment regarding its quality, its applicability for the diagnosis, and, if necessary, suggestions or questions about the required adjustments. In the LO screen students could simulate different situations (combination of factors) until obtaining the best result. Dental students (n=64) were divided into two groups. During the first week both groups participated in a theoretical lecture, and, subsequently, answered a test/assessment on the subject. In the following week Group 1 students solved practical exercises related to the subject, in the laboratory, and answered a second test/assessment. Students from Group 2 performed the activity with the LO in the laboratory. At the end of the activity, they also answered the test/assessment, and an open-ended questionnaire to evaluate the activity. At week-3 the same activities from the week before were repeated, reversing the classes, and, then, a third test/assessment was applied. Statistical tests showed that there were no statistical differences in the groups’ performance in any of the different moments of the evaluation. The use of the LO did not improved significantly the frequency of students’ correctness (number of correct responses) in the tests/assessments. However, the LO methodology was considered very good, because, according to the participants, it was a tool that stimulates learning. The use of the LO, in addition to the practical exercises, contributed to the learning process on the factors that might interfere on the radiographic image. Considerando as dificuldades apresentadas pelos estudantes de odontologia na obtenção de imagens radiográficas de qualidade, o presente estudo teve por objetivos desenvolver e avaliar um objeto de aprendizagem (OA) no qual o usuário possa simular exposições radiográficas, modificando os fatores que interferem na qualidade da imagem radiográfica. Para este estudo exploratório descritivo, 48 radiografias periapicais foram obtidas da região posterior de uma mandíbula humana seca, com diferentes combinações de kVp/mA, sensibilidade do filme, distância focal e tempo de exposição. A cada imagem foi atribuído um texto sobre sua qualidade, aplicabilidade ao diagnóstico e, se necessário, sugestões ou questões sobre ajustes requeridos. Na tela do OA os estudantes podem simular situações combinando os diferentes fatores até que obtenham o melhor resultado. Para a avaliação do OA, 64 alunos de graduação foram divididos em dois grupos. Todos os alunos participaram da aula teórica e realizaram um teste. Na semana seguinte o Grupo 1 executou exercícios práticos e o Grupo 2 utilizou o OA, ambos respondendo a um segundo teste. Na terceira semana os grupos inverteram as atividades e foi aplicado o terceiro teste. Um questionário aberto foi respondido por todos os alunos com intuito de avaliar qualitativamente o OA. Não houve diferença estatisticamente significante quanto aos acertos nos testes entre os grupos. O OA não melhorou o desempenho dos estudantes em testes, porém foi considerado como uma metodologia muito boa, que estimula o aprendizado. A utilização do OA somou-se aos exercícios práticos, melhorando no aprendizado dos fatores que podem interferir na imagem radiográfica.Associação Brasileira de Ensino Odontológico2016-12-21info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://revabeno.emnuvens.com.br/revabeno/article/view/32510.30979/rev.abeno.v16i4.325Revista da ABENO; Vol. 16 No. 4 (2016); 114-124Revista da ABENO; Vol. 16 Núm. 4 (2016); 114-124Revista da ABENO; v. 16 n. 4 (2016); 114-1242595-02741679-5954reponame:Revista da ABENO (Online)instname:Associação Brasileira de Ensino Odontológico (ABENO)instacron:ABENOenghttps://revabeno.emnuvens.com.br/revabeno/article/view/325/269Copyright (c) 2016 Revista da ABENOinfo:eu-repo/semantics/openAccessImgärtchen, Mísia Radesca ÁlvaresGraziotin-Soares, RenataArdenghi, Diego MachadoFontanella, Vania Regina Camargo2018-04-22T22:58:29Zoai:ojs.revabeno.emnuvens.com.br:article/325Revistahttps://revabeno.emnuvens.com.br/revabeno/indexONGhttps://revabeno.emnuvens.com.br/revabeno/oairevabeno@gmail.com2595-02741679-5954opendoar:2023-01-13T09:47:58.853961Revista da ABENO (Online) - Associação Brasileira de Ensino Odontológico (ABENO)false |
dc.title.none.fl_str_mv |
Development and evaluation of a learning object focused on factors that might interfere on the radiographic image Desenvolvimento e avaliação de um objeto de aprendizagem sobre fatores que interferem na imagem radiográfica |
title |
Development and evaluation of a learning object focused on factors that might interfere on the radiographic image |
spellingShingle |
Development and evaluation of a learning object focused on factors that might interfere on the radiographic image Imgärtchen, Mísia Radesca Álvares Dental Education. Information and Communication Technologies. Learning Objects. Dental Radiology. Educação Odontológica. Tecnologias de Informação e Comunicação. Objeto de Aprendizagem. Radiologia Odontológica. |
title_short |
Development and evaluation of a learning object focused on factors that might interfere on the radiographic image |
title_full |
Development and evaluation of a learning object focused on factors that might interfere on the radiographic image |
title_fullStr |
Development and evaluation of a learning object focused on factors that might interfere on the radiographic image |
title_full_unstemmed |
Development and evaluation of a learning object focused on factors that might interfere on the radiographic image |
title_sort |
Development and evaluation of a learning object focused on factors that might interfere on the radiographic image |
author |
Imgärtchen, Mísia Radesca Álvares |
author_facet |
Imgärtchen, Mísia Radesca Álvares Graziotin-Soares, Renata Ardenghi, Diego Machado Fontanella, Vania Regina Camargo |
author_role |
author |
author2 |
Graziotin-Soares, Renata Ardenghi, Diego Machado Fontanella, Vania Regina Camargo |
author2_role |
author author author |
dc.contributor.author.fl_str_mv |
Imgärtchen, Mísia Radesca Álvares Graziotin-Soares, Renata Ardenghi, Diego Machado Fontanella, Vania Regina Camargo |
dc.subject.por.fl_str_mv |
Dental Education. Information and Communication Technologies. Learning Objects. Dental Radiology. Educação Odontológica. Tecnologias de Informação e Comunicação. Objeto de Aprendizagem. Radiologia Odontológica. |
topic |
Dental Education. Information and Communication Technologies. Learning Objects. Dental Radiology. Educação Odontológica. Tecnologias de Informação e Comunicação. Objeto de Aprendizagem. Radiologia Odontológica. |
description |
Considering the difficulties to obtain good quality dental radiographic images taken by dental students, this study aimed to develop and to evaluate a Learning Object (LO), where the student is able to use a computer to simulate radiograph expositions, modifying the factors that interfere with the radiographic image quality. This study was exploratory and descriptive. For that, 48 periapical radiographs were obtained from the posterior region of a dried bone human jaw with different combinations of kVp/mA, film speed, focal distance, and time of exposition. Each radiograph received a “label” according to the factors used and also with a comment making a value judgment regarding its quality, its applicability for the diagnosis, and, if necessary, suggestions or questions about the required adjustments. In the LO screen students could simulate different situations (combination of factors) until obtaining the best result. Dental students (n=64) were divided into two groups. During the first week both groups participated in a theoretical lecture, and, subsequently, answered a test/assessment on the subject. In the following week Group 1 students solved practical exercises related to the subject, in the laboratory, and answered a second test/assessment. Students from Group 2 performed the activity with the LO in the laboratory. At the end of the activity, they also answered the test/assessment, and an open-ended questionnaire to evaluate the activity. At week-3 the same activities from the week before were repeated, reversing the classes, and, then, a third test/assessment was applied. Statistical tests showed that there were no statistical differences in the groups’ performance in any of the different moments of the evaluation. The use of the LO did not improved significantly the frequency of students’ correctness (number of correct responses) in the tests/assessments. However, the LO methodology was considered very good, because, according to the participants, it was a tool that stimulates learning. The use of the LO, in addition to the practical exercises, contributed to the learning process on the factors that might interfere on the radiographic image. |
publishDate |
2016 |
dc.date.none.fl_str_mv |
2016-12-21 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
https://revabeno.emnuvens.com.br/revabeno/article/view/325 10.30979/rev.abeno.v16i4.325 |
url |
https://revabeno.emnuvens.com.br/revabeno/article/view/325 |
identifier_str_mv |
10.30979/rev.abeno.v16i4.325 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
https://revabeno.emnuvens.com.br/revabeno/article/view/325/269 |
dc.rights.driver.fl_str_mv |
Copyright (c) 2016 Revista da ABENO info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
Copyright (c) 2016 Revista da ABENO |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Associação Brasileira de Ensino Odontológico |
publisher.none.fl_str_mv |
Associação Brasileira de Ensino Odontológico |
dc.source.none.fl_str_mv |
Revista da ABENO; Vol. 16 No. 4 (2016); 114-124 Revista da ABENO; Vol. 16 Núm. 4 (2016); 114-124 Revista da ABENO; v. 16 n. 4 (2016); 114-124 2595-0274 1679-5954 reponame:Revista da ABENO (Online) instname:Associação Brasileira de Ensino Odontológico (ABENO) instacron:ABENO |
instname_str |
Associação Brasileira de Ensino Odontológico (ABENO) |
instacron_str |
ABENO |
institution |
ABENO |
reponame_str |
Revista da ABENO (Online) |
collection |
Revista da ABENO (Online) |
repository.name.fl_str_mv |
Revista da ABENO (Online) - Associação Brasileira de Ensino Odontológico (ABENO) |
repository.mail.fl_str_mv |
revabeno@gmail.com |
_version_ |
1797051146478551040 |