Are numeric ratings true representations of reviews? A study of inconsistency between reviews and ratings
by Bidyut Hazarika; Kuanchin Chen; Muhammad Razi
International Journal of Business Information Systems (IJBIS), Vol. 38, No. 1, 2021

Abstract: Consistency between review messages and ratings has been an implicit assumption of many product review studies. However, such an assumption has never been critically examined. Our study investigates the consistency between app reviews and their corresponding ratings to uncover insights on the nature of inconsistency and how that inconsistency relates to fee structure (paid or free) and product category. To examine this inconsistency, we collected data from the iTunes store. We used sentiment mining to measure the discrepancy between the review sentiment and the ratings of the app. Our findings show that the assumption of consistency between product ratings and product reviews do not always hold. Findings support the existence of inconsistency, but not for all product categories. As the groups of apps differ in their consistency patterns, future researchers are recommended not to lump all apps together. Doing so, could obscure the distinctive difference among these apps, thereby offering less insight from the collected data.

Online publication date: Sat, 30-Oct-2021

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