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.