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关键因素构建WPBL学习效果评价方法研究
引用本文:周孟君,王心旺.关键因素构建WPBL学习效果评价方法研究[J].中国卫生统计,2012,29(4):538-541.
作者姓名:周孟君  王心旺
作者单位:1. 绵阳市中心医院
2. 广州医学院
基金项目:广州市教育科学十二五规划课题
摘    要:目的采用关键因素构建WPBL学习效果综合评价模型并进行实证研究。方法从广州医学院开展WPBL教学模式的学生中随机抽取10%学生,发放调查问卷,利用聚类分析挑选评价变量。用因子分析法提取公因子,用公因子的方差贡献率作为综合评价模型的权重,并给出其对学习效果评价的合理解释。按关键因素构建出综合评价模型,开展综合评价。结果以特征值大于1为标准提取出四个公因子,方差累积贡献率达到64.99%。以方差贡献率作为综合评价函数的权重,构建出综合评价模型:E=K1+K2+K3+…+Kj(j=1,2,…,m)。利用综合评价模型对WPBL学习效果进行综合评价。结论采用关键因素构建综合评价模型评价WPBL学习效果是可行的。这些关键因素能从四个方面对WPBL学习效果进行量化。

关 键 词:关键因素  网络式PBL  综合评价模型  因子分析

Evaluation Method about the Learning Effect of Web-based PBL with Key Factors Simulation
Zhou Mengjun , Wang Xinwang.Evaluation Method about the Learning Effect of Web-based PBL with Key Factors Simulation[J].Chinese Journal of Health Statistics,2012,29(4):538-541.
Authors:Zhou Mengjun  Wang Xinwang
Institution:.Department of Health Statistics Guangzhou Medical University(510182) Guangzhou
Abstract:Objective This paper aims to use components as the key factors to explore the feasibility of evaluation method about the learning effect of Web-based PBL.Dummy variables were introduced to solve the problem of multicollinearity between the variables.The variance contribution rate Used as weights to make an objective evaluation of teaching effective evaluation of WPBL learning effect.Methods We distributed a questionnaire to 101 students of clinical bilingual class of 2007and 2008 grade in Guangzhou Medical University.Cranach’s α coefficient is used to evaluate intrinsic consistency reliability of the questionnaire.Average Between-groups linkage was used to hierarchical clustering.We applied principal component analysis to extract components and to explain components which were orthogonally rotated by varimax.Results The questionnaire’s intrinsic consistency reliability Cranach’s α coefficient is 0.85.Four components are extracted with Eigen values greater than 1,the cumulative contribution rate is 64.99%.Comprehensive evaluation model is expressed as:E = K1 + K2 + K3 + … + Kj(j = 1,2,…,m) Four components which are orthogonally rotated by varimax are interpreted as collective collaboration capabilities Self-learning and quest skills,clinical reasoning and problem-solving capabilities,memorizing and understanding of medical knowledge.And students’learning effect is well evaluated.Conclusion This paper demonstrates that using components as the key factors to simulate and assessing the Web-based PBL learning effect is feasible,which assesses the Web-based PBL learning effect well from four different aspects.
Keywords:Key factors simulation  Web-PBL  Comprehensive evaluation model  Factor analysis
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