Leader-Member Exchange Scale (LMX7)

Abstract

The Leader-Member Exchange Scale (LMX7) is a widely utilized, seven-item instrument designed to measure the quality of the dyadic relationship between an employee and their direct supervisor. The original English version was developed by Graen and Uhl-Bien (1995), building upon the foundations of relational and transactional leadership concepts. The German adaptation presented here has demonstrated strong psychometric properties, including high internal consistency (Cronbach’s Alpha = .92) and evidence of convergent validity, positioning it as an effective tool for assessing relational dynamics in organizational settings.

Keywords

Leader-Member Exchange, LMX7, Leadership Style, Organizational Psychology, Supervisor-Subordinate Relationship, Dyadic Relationship, Job Satisfaction, Work Exchange

Authors

Original English Version: George B. Graen and Mary Uhl-Bien (1995). German Adaptation: Birgit Schyns and Tina Paul.

Purpose

The primary purpose of the LMX7 scale is to quantify the quality of the exchange relationship between a specific employee (member) and their immediate supervisor (leader). This measurement is crucial for understanding organizational dynamics, as the quality of this dyadic relationship is theorized to influence outcomes such as job satisfaction, commitment, and performance. The scale is particularly useful for differentiating between high-quality relationships (often referred to as the In-Group) and more formal, lower-quality relationships (the Out-Group) within a work unit.

Construct

The LMX7 scale is rooted in Leader-Member Exchange (LMX) theory, which posits that leadership is a dyadic process rather than a uniform style applied equally to all subordinates. This theory contrasts with older leadership models by focusing intensely on the unique, individualized relationship between the leader and each member. A high-quality LMX relationship is characterized by mutual respect, trust, loyalty, support, and mutual obligation. Conversely, low-quality relationships are typically formal and contract-based. The scale aims to capture the dimensions of this relationship quality, including the degree of mutual influence, support, and understanding concerning professional issues and development opportunities.

Validity

Evidence for the scale’s validity primarily focuses on convergent validity. Correlations were calculated against established measures of job satisfaction (using subscales of the Arbeitsbeschreibungsbogen, ABB) and other leadership measures (Fragebogen zur Vorgesetzten-Verhaltens-Beschreibung, FVVB).

Results indicate strong, positive correlations with other leadership scales (e.g., Friendly Attention, Stimulating Activity, and Co-determination from the FVVB, ranging from r = .73 to r = .78). The LMX7 also showed a notably high correlation with Satisfaction with the Supervisor (ABB-Vorgesetzter, r = .81). Correlations with other facets of job satisfaction (e.g., satisfaction with colleagues, tasks, and working conditions) were significantly lower (r = .33 to r = .50). While these results generally align with theoretical expectations, the extremely high correlation with supervisor satisfaction raises a cautionary note regarding the scale’s validity. As suggested by the adapters, this high overlap might indicate that the LMX7 is measuring employee satisfaction with the supervisor rather than the pure, multi-faceted construct of relationship quality.

Reliability

The internal consistency of the German LMX7 adaptation is reported as highly satisfactory. Using the data from the validation sample, the calculated Cronbach’s Alpha coefficient for the seven-item scale was found to be .92. This high value suggests excellent reliability, indicating that the items consistently measure the same underlying construct. This finding is congruent with meta-analytic studies (e.g., Gerstner & Day, 1997) which have previously identified the LMX7 as one of the most reliable instruments available for measuring the Leader-Member Exchange construct.

Factor Analysis

A Maximum Likelihood factor analysis was performed on the German scale adaptation. The analysis revealed a clear one-factor solution, with only a single factor demonstrating an eigenvalue greater than 1. This dominant factor accounted for 67.8% of the total variance, confirming the scale’s theoretical expectation of unidimensionality. The second factor accounted for only 8.6% of the variance. All seven items exhibited strong factor loadings, ranging from 0.62 to 0.91, well exceeding the typical threshold of 0.60, thereby justifying the inclusion of all items in the final scale structure.

Instrument

Test Type: Self-report questionnaire (Psychological Scale)

Format: Paper-and-pencil or digital survey format using 5-point categorical rating scales.

Language Available: English (Original), German (Adaptation reported here).

Population Group: Employees/Members in organizational settings.

Age Group: Adult working population (Average age in sample was 37 years).

Population Details: The German validation sample consisted of 113 individuals from various professions who worked under a direct supervisor. 62% of the sample held a university or college degree.

Test Methodology: Sum scores are generated by adding the coded responses across all seven items. A higher total score signifies a higher quality of the leader-member relationship. No item recoding is necessary, as all items are positively keyed.

Keywords

Leadership, Organizational Behavior, Dyadic Relationship, Supervisor, Follower, Work Environment, Psychometrics, Scale Validation

Authors (Detailed)

Author ORCID Identifier: Not provided in source content.

Affiliation Email addresses:

• Dr. Birgit Schyns: [email protected]
• Dipl. Psych. Tina Paul: [email protected]

Correspondence Address: Correspondence should be directed via the provided email addresses.

Permissions & Fee and Test Year

The original English LMX7 scale was introduced by Graen and Uhl-Bien in 1995. The German adaptation and validation work reported here by Schyns and Paul was conducted around 1999–2001. Permissions for use of the German translation should be sought directly from the adapting authors (Schyns and Paul).

Reference’s

• Gerstner, C. R., & Day, D. V. (1997). Meta-analytic review of leader–member exchange theory: Correlates and construct issues. Journal of Applied Psychology, 82(6), 827–844.
• Graen, G. B., & Scandura, T. A. (1987). Toward a psychology of dyadic organizing. Research in Organizational Behavior, 9, 175–208.
• Graen, G. B., & Uhl-Bien, M. (1995). Relationship-based approach to leadership: Development of leader-member exchange (LMX) theory of leadership over 25 years: Applying a multi-level multi-domain perspective. Leadership Quarterly, 6(2), 219–247.
• Schyns, B. (2001). Determinanten beruflicher Veränderungsbereitschaft bei Arbeitnehmern und Arbeitnehmerinnen unterer Hierarchiestufen. Universität Leipzig: unveröffentlichte Dissertation.
• Schyns, B., & Paul, T. (1999). Prüfung einer deutschsprachigen LMX-Skala: Ein Ansatz zum Leader-Member-Exchange. Poster auf dem 11. Zürcher Symposium Arbeitspsychologie (11.-13. Oktober).
• Zalesny, M. D., & Graen, G. B. (1995). Leadership in the 21st century: The LMX approach. In J. K. Murnighan (Ed.), Social psychology in organizations (pp. 235–277). Erlbaum.

Items of the Leader-Member Exchange Scale (LMX7)

IMPORTANT: The following scale items must be preserved in their original language and must not be changed in any way.

Instruktion

Im Folgenden geht es um Ihre Vorgesetzte. Bitte kreuzen Sie die Kreise neben den Sätzen entsprechend Ihrer Einschätzung an. Bitte lassen Sie keinen Satz aus.

Anmerkungen: In den folgenden Items wird die weibliche Formulierung gewählt. Die Formulierung sollte in anderen Stichproben diesen angepasst werden.

Items

Anmerkung: Übersetzung der Items von Graen & Uhl-Bien (1995)

Antwortvorgaben

5-Punkte Kategorialskalen mit den Optionen:

• Item 1: 1 = nie, 2 = selten, 3 = gelegentlich, 4 = oft, 5 = immer
• Items 2 und 3: 1 = gar nicht, 2 = wenig, 3 = mittelmäßig, 4 = gut, 5 = sehr gut
• Items 4 und 5: 1 = gering, 2 = eher gering, 3 = mittel, 4 = eher hoch, 5 = hoch
• Item 6: 1 = trifft gar nicht, 2 = trifft wenig zu, 3 = mittelmäßig, 4 = überwiegend, 5 = völlig
• Item 7: 1 = sehr ineffektiv, 2 = schlechter als durchschnitt, 3 = durchschnittlich, 4 = besser als durchschnitt, 5 = sehr effektiv