IJSSH 2015 Vol.5(5): 413-417 ISSN: 2010-3646
DOI: 10.7763/IJSSH.2015.V5.491

Interpersonal Citizenship Motivation: A Rating Scale Validity of Rasch Model Measurement

Shereen Noranee, Noormala Amir Ishak, Raja Munirah Raja Mustapha, Rozilah Abdul Aziz, and Rohana Mat Som
Abstract—This paper investigated empirically the utility of rating scales in the development of high-quality measures. The present study utilized the Rasch rating scale model to examine and reassess the psychometric properties of the adapted Interpersonal Citizenship Motivation scales. It was argued that interpersonal citizenship behaviour (ICB) could be driven by prosocial motivation and impression management (IMM) motivation. ICB is commonly viewed as prosocial behavior, not impression management. However, a process by which employees are either motivated intrinsically or extrinsically, plays an important role in interpersonal behavior. As ICB was claimed to be more overt and visible than organizational citizenship behavior, the mediation of leader-member exchange quality may increase the likelihood of being more friendly and offering help among IM-oriented employees. The observed measures of the pilot study suggested a violation pattern, indicating a lack of monotonicity in the average measures of Interpersonal Citizenship Motivation scale. Hence, collapsing categories was recommended to create a more uniform frequency distribution. This paper aims to validate the rating scale that yields the highest quality measures for the construct of interest. The WINSTEPS software provides a wide variety of output formats that are virtually indispensable for investigating rating scale quality.

Index Terms—Rating scale validity, Rasch measurement model, interpersonal citizenship behavior, employee motivation.

Shereen Noranee is with the Universiti Teknologi Mara (e-mail: shereen@puncakalam.uitm.edu.my).

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Cite: Shereen Noranee, Noormala Amir Ishak, Raja Munirah Raja Mustapha, Rozilah Abdul Aziz, and Rohana Mat Som, " Interpersonal Citizenship Motivation: A Rating Scale Validity of Rasch Model Measurement," International Journal of Social Science and Humanity vol. 5, no. 5, pp. 413-417, 2015.

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