简报:对BFI-2来说,响应选项的数量是否重要? 概念复制和扩展的概念复制
Andrew Rakhshani1, M Brent Donnellan1, Brent W Roberts2
1Michigan State University, East Lansing, USA.
Assessment
|August 7, 2023
概括
大五个库存-2 (BFI-2) 个性测试的响应选项数量影响得分分布,增加天花板/地板效应,选择较少. 然而,有效性和可靠性基本上不受影响,这表明在尺度点选择方面具有灵活性.
科学领域:
- 心理评估 心理评估
- 人格心理学 人格心理学
- 心理测量 心理测量 心理测量
背景情况:
- 五大人库-2 (BFI-2) 是一种广泛使用的人格特征衡量标准.
- 心理测量尺度上的响应选项的数量可以影响其属性.
- 了解这些影响对于准确的人格评估至关重要.
研究的目的:
- 调查响应选项的数量如何影响BFI-2的心理特征.
- 为了比较尺度分数分布,内部一致性,以及在不同响应尺度长度的有效性.
主要方法:
- 利用来自市场研究公司的两个大样本 (N=893,N=1,213).
- 给出了BFI-2与不同数量的响应选项.
- 分析了尺度分数分布,克朗巴赫的α,序列α,收有效性和标准有效性.
主要成果:
- 较少的响应选择 (2-3) 导致得分分布中更常见的天花板和地板效应.
- 克伦巴赫的α估计通常在较少的尺度点下较低,但这种效应随着顺序alpha而减小.
- 没有发现响应选项对收或标准有效性相关性的系统效应.
结论:
- 响应选项的数量对BFI-2的心理测量健全性有有限的影响.
- 很少有心理测量理由偏好5,6或7等级比其他等级.
- 这些发现支持选择BFI-2响应尺度长度的灵活性.
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