The Development of Demische Software to Detect and Reduce Misconception in Chemical Equilibrium through Conceptual Change Text Strategy

Proceedings of the National Seminar on Chemistry 2019 (SNK-19) Pub Date : 1900-01-01 DOI:10.2991/snk-19.2019.50

Lifia Ramadhani, S. Sukarmin, U. Azizah

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引用次数: 1

Abstract

—This research is used to obtain Demische (Decreasing misconception in chemical equilibrium) software that is proper through conceptual change text strategy that is developed as learning media to detect and reduce misconception in chemical equilibrium 11th grade. Software feasibility can be known by three aspects that are (1) software validity based on content and construct validity, (2) practicality based on student response questionnaire supported by student observation activities, (3) effectiveness based on shifting understanding of student conceptions from misconceptions to knowing the concepts. This research uses Research and Development (R&D) method based on Borg and Gall, with 12 subject that are the students of 11th grade at Senior High School 1 Pandaan, Pasuruan in Indonesia who have studied chemical equilibrium and have potential to misconception. The result shows that Demische software was used to detect and reduce misconception through conceptual change text strategy in chemical equilibrium which can be known by three aspects that are (1) the average percentage of content validity is 83,06% and construct validity is 85,60%, both of validity are categorized as highly valid; (2) the average percentage of student response is 91,11% and categorized as highly practical; (3) the average percentage of effectiveness based on shifting understanding of student conceptions from misconceptions to knowing the concepts is 84,92% and categorized as highly effective. Based on the result, Demische software is proper to detect and reduce misconception in chemical equilibrium.

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通过概念变化文本策略检测和减少化学平衡误解的Demische软件的开发

-本研究通过开发作为学习媒介的概念变化文本策略，获得适合于检测和减少11年级化学平衡误解的Demische(减少化学平衡误解)软件。软件的可行性可以通过三个方面来了解，即(1)基于内容和结构效度的软件效度;(2)基于学生观察活动支持的学生回答问卷的实用性;(3)基于对学生概念的理解从误解转变为了解概念的有效性。本研究采用基于Borg和Gall的研究与开发(R&D)方法，选取了12名印度尼西亚Pasuruan Pandaan高中1年级的11年级学生，他们学习过化学平衡并有可能产生误解。结果表明，采用Demische软件对化学平衡中的概念变化文本策略进行检测和减少误解，可以从三个方面了解:(1)内容效度的平均百分比为83,06%，结构效度的平均百分比为85,60%，均为高效度;(2)学生回答的平均百分比为91.11%，被归类为高度实用;(3)将对学生概念的理解从误解转变为了解概念的平均有效性百分比为84.92%，为高效。结果表明，Demische软件可以有效地检测和减少化学平衡中的误解。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Proceedings of the National Seminar on Chemistry 2019 (SNK-19)

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