| 利用卡方检验对4种常见躺姿笔迹特征影响量化的实验研究 |
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| 引用本文： | 赵子睿,杨旭,张清华. 利用卡方检验对4种常见躺姿笔迹特征影响量化的实验研究[J]. 中国人民公安大学学报(自然科学版), 2020, 0(1): 13-18 |
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| 作者姓名： | 赵子睿 杨旭 张清华 |
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| 作者单位： | 华东政法大学;司法鉴定科学研究院 |
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| 摘 要： | 目的发现躺姿书写笔迹的特征较正常书写时笔迹特征变化的规律。方法用Excel绘制表格,利用卡方检验进行统计分析对数据进行验证。结果得出了躺姿书写笔迹的共性变化特征以及4种常见躺姿较为独有的会产生变化的书写特征。结论4种常见躺姿对笔迹特征的影响具有共性且每种躺姿会产生指向性变化的特征,这会为检材笔迹特征的评价与样本笔迹的收集提供重要依据。
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| 关 键 词： | 躺姿 笔迹特征 书写条件 实验 |
Experimental Study on Quantifying the Influence of Four Common Lying Posture Handwriting Characteristics by Using Chi-Square Test |
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| ZHAO Zirui,YANG Xu,ZHANG Qinghua. Experimental Study on Quantifying the Influence of Four Common Lying Posture Handwriting Characteristics by Using Chi-Square Test[J]. Journal of the People's Public Security University(Natural Science Edition), 2020, 0(1): 13-18 |
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| Authors: | ZHAO Zirui YANG Xu ZHANG Qinghua |
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| Affiliation: | (Criminal Justice College in East China University of Political Science and Law,Shanghai 200333,China;Academy of Forensic Science,Shanghai 200063,China) |
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| Abstract: | Objective it is to study variation patterns of the handwriting characteristics in the lying posture compared with the normal handwriting characteristics.Method Excel is used to construct the table,and the chi-square test is used for statistical analysis to verify the data.Results The common characteristics of the writing strokes in the lying position and the handwriting characteristics that are more unique in the four common lying postures are developed.Conclusion The influence of four common lying postures on handwriting features is common and each lying posture will present directional changes.This will provide an important basis for the evaluation of handwriting features and the collection of sample handwriting. |
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| Keywords: | lying posture handwriting characteristics writing conditions experiments |
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