The Effects of Psychological Capital on Weekly Changing Internal Work Motivation and Related Work Performance Outcomes: A Longitudinal Analysis

Abstract

The current study aims to understand the roles of internal work motivation and psychological capital in terms of work performance outcomes within the scope of positive organizational behavior. The study is carried out as a longitudinal design by collecting data from voluntary 65 blue collar workers from a private firm in five different time periods. The data was analyzed by using Amos 22.0 program through latent growth curve modelling. The results showed that psychological capital increased not only the initial level of intrinsic motivation but also increased the intrinsic motivation which decreased in time. Moreover initial level intrinsic motivation increased the job performance positively, and decreased intrinsic motivation over time diminished the job performance.