Abstract: Based on value fit theory, this paper explores the relationship between individual-organization value fit and employees’ voice behaviors and the mediation and moderating effects contributed by perceived organizational support and perceived psychological safety respectively. The questionnaire survey method is adopted to conduct a test on the model with 535 copies of the superior-subordinate matching data as the samples. The results show that individual-organization value fit can positively predict employees’ voice behaviors, that the perceived organizational support can play a role of partial mediation in it, and that the perceived psychological safety can play a moderating effect in the relationship between the perceived organizational support and the employees’ voice behaviors, namely, the stronger the perceived psychological safety, the stronger the effect of perceived organizational support on employees’ voice behaviors, or vice versa.

Key words: individual-organization value fit; perceived organizational support; perceived psychological safety; employee suggestions