从试卷分析思考课程改革的教学策略——以分析化学1课程为例

doi:10.3866/PKU.DXHX202209035

Abstract

Abstract:

The final exam is a very important part of the course teaching quality evaluation. Therefore, we analyzed the final examination paper of analytical chemistry 1 in our university. Then, we discussed the problems existing in the course, and formed the strategic thinking on the curriculum reform. Furthermore, we analyzed the elements of paper generation and quality assurance of the final exam.

Key words: Analytical chemistry 1, Examination paper analysis, Quality of examination paper, Reflections on teaching strategies

Xiangyi Huang, Wei Zhang, Shaoai Xie, Li Ma, Hongjin Chen. Thinking about Teaching Strategies of Curriculum Reform from Examination Paper Analysis: Taking Analytical Chemistry 1 as an Example[J].University Chemistry, 2023, 38(5): 54-60.

Figures/Tables 7

References 18

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学年	信度(α值)	项数
2020	0.822	42
2021	0.870	47

题型	学年	满分	平均分	标准差	得分率	难度系数	区分度
选择题	2020	20	14.34	2.34	71.7%	0.28	0.29
选择题	2021	20	13.97	2.94	69.9%	0.30	0.36
填空题	2020	15	11.25	2.31	75.0%	0.25	0.38
填空题	2021	20	11.95	4.27	59.8%	0.40	0.52
简答与计算题	2020	57	41.17	11.16	72.2%	0.28	0.47
简答与计算题	2021	52	38.23	9.72	73.5%	0.27	0.42
实验设计题	2020	8	5.17	3.05	64.6%	0.35	0.66
实验设计题	2021	8	4.09	3.05	51.1%	0.49	0.89

考核内容	2020年				2021年
考核内容	平均分	标准差	难度系数	区分度	平均分	标准差	难度系数	区分度
酸碱滴定	0.49	0.50	0.51	1	0.75	0.43	0.25	0.89
络合滴定	0.47	0.50	0.53	1	0.47	0.50	0.53	1
氧化还原滴定	0.93	0.26	0.07	0.28	0.97	0.16	0.03	0.09
重量分析法	0.89	0.32	0.11	0.44	0.85	0.36	0.15	0.54

考核内容	学年	满分	平均分	标准差	得分率	难度系数	区分度
误差与分析数据处理	2020	12	10.56	3.00	88.0%	0.12	0.55
误差与分析数据处理	2021	12	9.00	3.26	75.0%	0.25	0.59
酸碱平衡与酸碱滴定	2020	13	10.14	3.58	78.0%	0.22	0.63
酸碱平衡与酸碱滴定	2021	16	12.03	4.31	75.2%	0.25	0.62
络合滴定	2020	22	15.94	5.97	72.6%	0.27	0.70
络合滴定	2021	23	14.65	5.68	63.7%	0.36	0.69
氧化还原滴定	2020	17	10.88	4.91	64.0%	0.36	0.71
氧化还原滴定	2021	15	9.01	4.54	60.0%	0.40	0.72
重量分析法	2020	8	5.73	2.46	71.6%	0.28	0.86
重量分析法	2021	6	5.37	1.34	89.5%	0.11	0.40

类型	题型	比例	难度系数	区分度	优点	注意事项
客观题	选择题	15%–40%	0.2–0.8	> 0.3	考核覆盖课程内容广，客观性强	错误答案要具有迷惑性
	匹配题
	是非题
	填空题
主观题	简答题	60%–85%	0.2–0.8	> 0.3	可以测试学生多种能力，把学生猜测的可能性降到最低	建立计分要点，保证评分的公平性
	计算题
	实验设计题
	案例分析题

Thinking about Teaching Strategies of Curriculum Reform from Examination Paper Analysis: Taking Analytical Chemistry 1 as an Example

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