在开放式,远程和电子学习大学的论文和论文中应用的统计方法的评估
Legesse Kassa Debusho1, Mahlageng Retang Mashabela1, Phuti Naphtaly Sebatjane1
1Department of Statistics, College of Science, Engineering and Technology, University of South Africa, Johannesburg, Republic of South Africa.
PloS one
|March 31, 2025
概括
许多农业和环境科学研究生论文包含统计错误. 本研究强调了研究方法和数据分析中的常见错误,以提高未来的科学质量.
科学领域:
- 农业和环境科学 农业和环境科学
- 研究方法研究方法研究方法学
- 统计分析 统计分析
背景情况:
- 适当的研究方法和统计分析对于科学研究质量至关重要.
- 选择统计方法必须与研究数据和研究目标保持一致,以避免错误.
- 在研究生研究中常见的统计错误可能会损害研究的有效性.
研究的目的:
- 评估统计技术在士和博士论文中的适当性.
- 在计划调查/实验和数据分析时识别常见的统计错误.
- 评估农业和环境科学中的统计应用论文.
主要方法:
- 对139篇士论文和博士论文 (2015-2020年) 的审查.
- 专注于非洲电子学习大学的农业和环境科学学科.
- 分析研究中使用的混合和定量研究方法.
主要成果:
- 差异分析 (ANOVA),学生t测试和Chi-square是最常见的统计测试.
- 41.0%的论文/论文至少存在一个重大方法错误.
- 常见的错误包括不适当的抽样,对回归模型的数据转换,以及对相关数据的不正确建模.
结论:
- 在研究生论文中普遍存在重大统计和方法错误.
- 这些发现强调了对研究生进行统计学培训的必要性.
- 建议大学管理层制定有针对性的统计方法培训计划.
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