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首页> 外文期刊>Journal of Physics: Conference Series >Implementation of formative assessment portfolio check with feedback to improve mastery of concept and habits of mind students on acid-base material
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Implementation of formative assessment portfolio check with feedback to improve mastery of concept and habits of mind students on acid-base material

机译：实施形成性评估档案袋检查并提供反馈，以提高学生对酸碱材料的观念和习惯的掌握程度

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This study aims to implement the formative assessment of checked portfolio with feedback to improve the mastery of concepts and habits of mind student on acid-base materials. The portfolio is a systematic collection of samples of learners' work resulting from the process of learning undertaken. Feedback is given in writing and verbally during the learning process takes a place. The method utilizes a quasi-experiment with pretest-posttest non-equivalent control group design. The instruments utilized to collect research datas are formative assessment of portfolio check formats with feedback, question of acid-base concept, questionnaire habits of mind, interview guides and student response questionnaires. The mastering test of acid-base concepts is validated by 5 chemist experts and forming CVR index (Content Validity Ratio) between 0,60-1,00. Reliability test of acid-base concept mastery was tested involving 60 respondents XI MIA 1 and MIA 2 class in Senior High School processed utilizable SPSS 24.0 argued coefficient alpha value of 0.76. Furthermore it will conduct a more experiment of formative portfolios with feedback that impacts on mastery of concepts and habits of mind.
机译：这项研究的目的是实施对有价证券投资组合的形成性评估，并提供反馈意见，以提高他们对酸碱材料的观念和思维习惯的掌握程度。档案袋是系统地收集学习过程中产生的学习者工作样本的。在学习过程中，会以书面形式和口头形式给出反馈。该方法利用了具有前测-后测非等效对照组设计的准实验。收集研究数据所用的工具是对投资组合检查格式的形成性评估，包括反馈，酸碱概念问题，问卷心理习惯，访谈指南和学生反应问卷。酸碱概念的掌握测试已通过5位化学专家的验证，并形成介于0.60-1.00之间的CVR指数（内容有效率）。酸碱概念掌握能力的可靠性测试涉及60名受访者，其中高中处理的XI MIA 1和MIA 2类处理的可利用SPSS 24.0辩证系数alpha值为0.76。此外，它将对形成性投资组合进行更多实验，并提供反馈，这些反馈会影响对概念和思维习惯的掌握。

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