Faculty Articles
Title
The Reliability and Validity of the Power-Load-Margin Inventory. Journal of Applied Measurement
ISBN or ISSN
1529-7713
Publication Title
Journal of Applied Measurement
Volume
16
Issue
5
Date of original Performance / Presentation
January 2015
Publication Date / Copyright Date
1-1-2015
First Page
443
Last Page
453
Abstract
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 PLMI's primary weakness was with the subscales' reliability. We attribute this to the small number of items per subscale.
Disciplines
Medical Specialties | Medicine and Health Sciences | Osteopathic Medicine and Osteopathy
NSUWorks Citation
Hardigan, Patrick C.; Hagen, K. P.; Cohen, S. R.; Hagen, K. P.; and Cohen, S. R., "The Reliability and Validity of the Power-Load-Margin Inventory. Journal of Applied Measurement" (2015). Faculty Articles. 356.
https://nsuworks.nova.edu/hpd_com_faculty_articles/356
