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Evaluation of the influence of wording changes and course type on motivation instrument functioning in chemistry
Chemistry Education Research and Practice ( IF 3 ) Pub Date : 2017-10-25 00:00:00 , DOI: 10.1039/c7rp00181a
Regis Komperda 1, 2, 3, 4 , Kathryn N. Hosbein 1, 2, 3, 4 , Jack Barbera 1, 2, 3, 4
Affiliation  

Increased understanding of the importance of the affective domain in chemistry education research has led to the development and adaptation of instruments to measure chemistry-specific affective traits, including motivation. Many of these instruments are adapted from other fields by using the word ‘chemistry’ in place of other disciplines or more general ‘science’ wording. Psychometric evidence is then provided for the functioning of the new adapted instrument. When an instrument is adapted from general language to specific (e.g. replacing ‘science’ with ‘chemistry’), an opportunity exists to compare the functioning of the original instrument in the same context as the adapted instrument. This information is important for understanding which types of modifications may have small or large impacts on instrument functioning and in which contexts these modifications may have more or less influence. In this study, data were collected from the online administration of scales from two science motivation instruments in chemistry courses for science majors and for non-science majors. Participants in each course were randomly assigned to view either the science version or chemistry version of the items. Response patterns indicated that students respond differently to different wordings of the items, with generally more favorable response to the science wording of items. Confirmatory factor analysis was used to investigate the internal structure of each instrument, however acceptable data-model fit was not obtained under any administration conditions. Additionally, no discernable pattern could be detected regarding the conditions showing better data-model fit. These results suggest that even seemingly small changes to item wording and administration context can affect instrument functioning, especially if the change in wording affects the construct measured by the instrument. This research further supports the need to provide psychometric evidence of instrument functioning each time an instrument is used and before any comparisons are made of responses to different versions of the instrument.

中文翻译:

评估措辞变化和课程类型对化学中的激励手段功能的影响

在化学教育研究中,人们对情感领域重要性的日益加深的了解,导致了对测量化学特有情感特征(包括动机)的手段的开发和适应。通过使用“化学”一词代替其他学科或更笼统的“科学”一词,这些工具中的许多都从其他领域改编而来。然后提供心理测量证据以证明新的适应性仪器的功能。当乐器从通用语言适应特定语言时(例如用“化学”代替“科学”),就有机会在与改编的仪器相同的背景下比较原始仪器的功能。该信息对于理解哪种修改类型可能对仪器功能产生或大或小的影响以及在哪些情况下这些修改可能或多或少地产生影响非常重要。在这项研究中,数据是从化学专业的理科课程和非理科专业的化学课程中的两种科学动机工具的量表在线管理中收集的。随机分配每门课程的参与者以查看项目的科学版本或化学版本。回答模式表明,学生对项目的不同措辞的反应不同,通常对项目的科学措辞的反应更佳。验证性因子分析用于研究每种仪器的内部结构,但是在任何给药条件下均未获得可接受的数据模型拟合。此外,对于显示更好的数据模型拟合的条件,无法检测到可识别的模式。这些结果表明,即使项目措辞和管理环境的细微变化也会影响仪器的功能,尤其是措辞的变化会影响仪器所衡量的结构时。这项研究进一步支持了需要在每次使用仪器时以及在对不同版本的仪器的响应进行任何比较之前提供仪器功能的心理计量证据的需求。但是,在任何给药条件下均未获得可接受的数据模型拟合。此外,对于显示更好的数据模型拟合的条件,无法检测到可识别的模式。这些结果表明,即使项目措辞和管理环境的细微变化也会影响仪器的功能,尤其是措辞的变化会影响仪器所衡量的结构时。这项研究进一步支持了每次使用仪器时以及在对不同版本的仪器的响应进行任何比较之前,都需要提供仪器功能的心理计量证据的需求。但是,在任何给药条件下均未获得可接受的数据模型拟合。此外,对于显示更好的数据模型拟合的条件,无法检测到可识别的模式。这些结果表明,即使项目措辞和管理环境的细微变化也会影响仪器的功能,尤其是措辞的变化会影响仪器所衡量的结构时。这项研究进一步支持了每次使用仪器时以及在对不同版本的仪器的响应进行任何比较之前,都需要提供仪器功能的心理计量证据的需求。这些结果表明,即使项目措辞和管理环境的细微变化也会影响仪器的功能,尤其是措辞的变化会影响仪器所衡量的结构时。这项研究进一步支持了每次使用仪器时以及在对不同版本的仪器的响应进行任何比较之前,都需要提供仪器功能的心理计量证据的需求。这些结果表明,即使项目措辞和管理环境的细微变化也会影响仪器的功能,尤其是措辞的变化会影响仪器所衡量的结构时。这项研究进一步支持了每次使用仪器时以及在对不同版本的仪器的响应进行任何比较之前,都需要提供仪器功能的心理计量证据的需求。
更新日期:2017-11-02
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