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Stages of moral judgment development: Applying item response theory to Defining Issues Test data.

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Title: Stages of moral judgment development: Applying item response theory to Defining Issues Test data.
Authors: van den Enden, Thijs, Boom, Jan, Brugman, Daniel, Thoma, Stephen
Source: Journal of Moral Education. Dec2019, Vol. 48 Issue 4, p423-438. 16p. 4 Charts, 2 Graphs.
Subjects: Moral judgment, Moral development, Item response theory, Defining Issues Test, Statistical models
Abstract: The Defining Issues Test (DIT) has been the dominant measure of moral development. The DIT has its roots in Kohlberg's original stage theory of moral judgment development and asks respondents to rank a set of stage typed statements in order of importance on six stories. However, the question to what extent the DIT-data match the underlying stage model was never addressed with a statistical model. Therefore, we applied item response theory (IRT) to a large data set (55,319 cases). We found that the ordering of the stages as extracted from the raw data fitted the ordering in the underlying stage model good. Furthermore, difficulty differences of stages across the stories were found and their magnitude and location were visualized. These findings are compatible with the notion of one latent moral developmental dimension and lend support to the hundreds of studies that have used the DIT-1 and by implication support the renewed DIT-2. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Moral Education is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Moral+Education%22">Journal of Moral Education</searchLink>. Dec2019, Vol. 48 Issue 4, p423-438. 16p. 4 Charts, 2 Graphs.
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  Data: The Defining Issues Test (DIT) has been the dominant measure of moral development. The DIT has its roots in Kohlberg's original stage theory of moral judgment development and asks respondents to rank a set of stage typed statements in order of importance on six stories. However, the question to what extent the DIT-data match the underlying stage model was never addressed with a statistical model. Therefore, we applied item response theory (IRT) to a large data set (55,319 cases). We found that the ordering of the stages as extracted from the raw data fitted the ordering in the underlying stage model good. Furthermore, difficulty differences of stages across the stories were found and their magnitude and location were visualized. These findings are compatible with the notion of one latent moral developmental dimension and lend support to the hundreds of studies that have used the DIT-1 and by implication support the renewed DIT-2. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Journal of Moral Education is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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        Value: 10.1080/03057240.2018.1540973
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      – Code: eng
        Text: English
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        PageCount: 16
        StartPage: 423
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      – SubjectFull: Moral judgment
        Type: general
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      – SubjectFull: Item response theory
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      – SubjectFull: Defining Issues Test
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      – SubjectFull: Statistical models
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              M: 12
              Text: Dec2019
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              Y: 2019
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