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The Reliability and Validity of the Power-Load-Margin Inventory: A Rasch Analysis

机译:电力负荷裕量清单的可靠性和有效性:Rasch分析

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摘要

Margin is a function of the relationship of stress to strength. The greater the margin, the more likely students are able to successfully navigate academic structures. This study examined the psychometric properties of a newly created instrument designed to measure margin-the Power-Load-Margin Inventory (PLMI). The PLMI was created using eight domains: (A) Student's aptitude and ability, (B) Course structure, (C) External motivation, (D) Student health, (E) Instructor style, (F) Internal motivation, (G) Life opportunities, and (H) University support structure. A three-point response scale was used to measure the domains: (1) stress, (2) neither stress nor strength, and (3) strength. The PLMI was administered to 586 medical, dental, and pharmacy students. A Rasch rating scale model was used to examine the psychometric properties of the PLMI. The PLMI demonstrated acceptable psychometric properties for use with pharmacy, dental, and medical students. The PLMl's primary weakness was with the subscales' reliability. We attribute this to the small number of items per subscale.
机译:裕度是应力与强度之间关系的函数。利润越大,学生越有可能成功地浏览学术结构。这项研究检查了一种新设计的用于测量保证金的工具的心理测量特性-功率-负荷-保证金清单(PLMI)。 PLMI是使用八个领域创建的:(A)学生的才能和能力,(B)课程结构,(C)外部动机,(D)学生健康,(E)指导老师风格,(F)内部动机,(G)生活机会,以及(H)大学的支持结构。三点响应量表用于测量域:(1)应力,(2)既不应力也不强度,以及(3)强度。 PLMI被管理了586名医学,牙科和药学专业的学生。使用Rasch评分量表模型检查PLMI的心理计量学特性。 PLMI具有药学,牙科和医学专业学生可接受的心理测验特性。 PLM1的主要缺点在于子秤的可靠性。我们将此归因于每个分量表的项目数量较少。

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