Reconsidering the expectancy disconfirmation model. Three experimental replications

Stephan Grimmelikhuijsen and Gregory A. Porumbescu

Public Management Review, 2017, vol. 19, issue 9, 1272-1292

Abstract: The expectancy disconfirmation model (EDM) posits that disconfirmation (the difference between expectations and perceived performance) affects citizen satisfaction. Van Ryzin experimentally manipulated expectations and performance and found a direct effect of performance, but no disconfirmation. We performed: an exact replication; a conceptual replication with extreme manipulations; a conceptual replication that reversed the order of a performance and expectations manipulation. Study 1 and 2 reproduced original findings. In contrast, study 3 indicates that expectation cues are retrospectively used to anchor prior experiences of performance. As the rational assumptions underlying the EDM are increasingly challenged, we need a better understanding of how cognitive biases shape citizen satisfaction.

Date: 2017
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DOI: 10.1080/14719037.2017.1282000

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