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E-Patient Counseling Trial E-PACO: Computer Based Education versus Nurse Counseling for Patients to Prepare for Colonoscopy

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Shortening the Work Preference Inventory for use with physician scientists: WPI-10.

Georgeanna F W B Robinson¹, Galen E Switzer, Elan D Cohen

¹Institute for Clinical Research Education, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA.

Clinical and Translational Science

|January 11, 2014

Summary

A new 10-item Work Preference Inventory (WPI-10) effectively measures work motivation, offering a shorter alternative to the original 30-item scale. This validated tool reduces response burden for career path selection.

Keywords:

WPI clinical research clinical research training work motivation

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Area of Science:

Psychological Assessment
Industrial-Organizational Psychology

Background:

The Work Preference Inventory (WPI) is a 30-item measure assessing work motivation for career path selection.
Its length can increase response burden, particularly when administered with other assessments.

Purpose of the Study:

To develop a shortened, valid, and reliable version of the Work Preference Inventory (WPI).

Main Methods:

Exploratory and confirmatory factor analyses were used to reduce the WPI's item count.
Data were collected from trainees at the University of Pittsburgh's Institute for Clinical Research Education.

Main Results:

A 10-item scale (WPI-10) was developed, retaining four factors similar to the original WPI.
The WPI-10 demonstrated good internal consistency (Cronbach's alpha: 0.68–0.76) and strong validity compared to the original WPI.

Conclusions:

The WPI-10 is a valid and reliable measure of work motivation.
This shortened scale reduces respondent burden while maintaining the psychometric properties of the original WPI.