With rapid changes in technology and business environments, employees are
becoming invaluable assets of organizations, not only for their physical labor, but
also for their innovative ideas. In this dissertation, attention is focused on employee
voice behavior, defined as expressing work-related ideas and opinions based on
cooperative motive (Van Dyne, Ang, & Botero, 2003). The purposes are two-fold: (a)
to examine the psychological mechanisms of voice behavior, and (b) to discuss how
to create supportive contexts in which employees can freely express their
suggestions/concerns.
In this dissertation, the literature is first reviewed and a two-factor structure
of voice behavior is proposed comprising promotive voice and prohibitive voice. A
theoretical model is then developed to articulate the underlying processes of voice.
Derived from the Theory of Planned Behavior (Ajzen, 1991), psychological safety,
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felt obligation, and organization-based self-esteem are proposed to be three
mechanisms accounting for voice behavior. Finally, a cross-level model is proposed
to predict voice behavior. In this model, voice is viewed as a joint product of
individual attribute and contextual factors. Work contexts, mediated through people’s
perceptions, create the conditions which people perceive to be favorable or
unfavorable for expressing their ideas/opinions.
Three studies were conducted to examine the hypotheses. In Study 1, a
measure was developed for voice behavior and the psychometric properties of the
instruments employed in this dissertation are examined. In Study 2, a time-lagged
design was applied to examine the mechanisms of voice behavior. Two hundred and
thirty-nine Chinese employees participated twice with a five-week lag. In Study 3,
the joint effect of personality trait and contextual variables on voice is examined.
Data were collected from 267 Chinese employees in 59 retailing stores. Finally, there
is a summary of the findings, discussion of the implications, and the limitations and
future directions are indicated.