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Conceptual Biotechnology Measured by Using a Two-Tier Multiple Test

机译：概念生物技术通过使用双层多个测试测量

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摘要

Biotechnology is a concept that combines biology and technology. The concept of Biotechnology in this research is divided into 4 based on the Rainbow Code of Biotechnology (RCB). This research aimed to measure the concept of biotechnology using a Two-Tier Multiple Test (TTMC). This research consists of two methods, namely qualitative and quantitative methods. TTMC was developed using a procedure defined by Borg and Gall. TTMC consists of 20 questions and tested to 137 students to collect data. Based on the research findings, it can be concluded that TTMC assessment instruments developed is feasible and meets the criteria as a good question with the content validity (CV) of 1.00, an average score of the reliability test of 0.92 of a very high category, the level of difficulty of 79.2% with a moderate category and 16.7% with a difficult category, and the discriminating power of 18.7% with a very good category and 39.6% with a good category. The TTMC instrument developed for measuring biotechnology material is sufficient to measure understanding of biotechnology with 41.6% of consistency. The research results show that the two-tier tests are effective in determining the students' conceptual understanding of biotechnology and can also be used as an alternative for evaluating student learning outcomes.
机译：生物技术是结合生物学和技术的概念。本研究中生物技术的概念基于生物技术（RCB）的彩虹码分为4。该研究旨在使用双层多次测试（TTMC）测量生物技术的概念。该研究包括两种方法，即定性和定量方法。使用Borg和Gall定义的程序开发了TTMC。 TTMC由20个问题组成并测试到137名学生收集数据。基于研究结果，可以得出结论，TTMC评估工具是可行的，符合标准作为一个良好的问题，内容有效性（CV）为1.00，其可靠性测试的平均得分为0.92的一个非常高的类别， 79.2％的难度水平为79.2％，中等类别和16.7％，难以辨别的功率为18.7％，具有良好的类别和39.6％，良好的类别。为测量生物技术材料开发的TTMC仪器足以衡量对生物技术的理解，以41.6％的一致性。研究结果表明，双层测试有效地确定学生对生物技术的概念理解，也可以作为评估学生学习结果的替代方案。

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