Multidimensional Leader-Member Exchange Scale – LMX-MDM
Measures the multidimensional quality of the working relationship between an employee and their supervisor.
Scale Development & Technical Details
Scale Overview
The Multidimensional Leader-Member Exchange Scale – LMX-MDM was developed by Robert C. Liden & Jacqueline M. Maslyn (1998). It is designed to measure Leader-Member Exchange (LMX). The scale is intended for use with Employees / working adults.
Scale Structure
This instrument consists of 12 items organized into 4 factors/subscales: Affect, Loyalty, Contribution, Professional Respect.
| Factor / Subscale | Items | N |
|---|---|---|
| Affect | 1,2,3 | 3 |
| Loyalty | 4,5,6 | 3 |
| Contribution | 7,8,9 | 3 |
| Professional Respect | 10,11,12 | 3 |
Response Format
Respondents rate each item using a 7-point Likert scale (1 = Strongly Disagree to 7 = Strongly Agree).
Scoring
Items are scored by subscale, with each subscale sum representing a distinct dimension.
Psychometric Properties
Internal Consistency: The scale has demonstrated good to excellent internal consistency with reported Cronbach’s alpha values of Affect: .90, Loyalty: .74, Contribution: .57, Professional Respect: .89.
Administration
The scale is self-administered and typically takes approximately 5 minutes to complete. It can be administered individually or in group settings. No special training is required for administration.