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Online purchases might be delayed. In some cases, this postponement could be a privileged, an adequate, or an efficient strategy. Online consumer procrastination is the voluntary and rational delay of a planned online purchase. The purpose of this research is to develop a measure of this behavior.

The Churchill's paradigm adapted by Roehrich was adopted. A total of 77 items were generated from 27 interviews. This set of items was reduced to 23 after dropping out redundant or not representative items. In a pilot study, factor analysis on the 23‐item scale yielded a two‐factor structure scale of five items with a reliability ranging from 0.715 to 0.809. The Online Consumer Procrastination Scale (OCPS) was statistically confirmed and validated, in a subsequent investigation.

Findings revealed a reliable and valid five‐item scale. Its dimensions are online deal‐proneness and online rationality.

This research allows a better conceptualization of the online consumer procrastination. Future research should assess the OCPS validity across different product categories.

OCPS will make easier the recognition of e‐shoppers who delay the achievement of online purchase intentions.

OCPS is the first scale measuring the reasonable delay in an online purchase context.

Because online shopping is risky, there is a strong need to develop better presentation of online reviews, which may reduce the perceived risk and create more pleasurable shopping experiences. To test the impact of online reviews’ sentiment polarity presentation, the purpose of this paper is to adopt a scenario experiment to study consumers’ decision-making process under the two scenarios of mixed presentation and classified presentation of online reviews collected from Jingdong.com in China: focusing on the comparative analysis on the differences of the consumers’ perceived risk, purchase intention and purchase delay, and further studying the interaction effect of involvement and online reviews’ sentiment polarity presentation.

This paper employed a 2×2 factorial experiment to test the hypothesis. The experimental design is divided into four groups: 2 (online reviews’ sentiment polarity presentation: mixed presentation vs classified presentation) × 2 (involvement: low vs high), each of which contains 90 samples. Through the data analysis, the main effect, mediation effect and moderating effect were examined.

The results show that compared with mixed presentation, classified presentation can reduce purchase intention and increase purchase delay due to the existence of loss aversion and availability heuristic. Furthermore, the paper also confirms that there is a significant interaction effect between involvement and online reviews’ sentiment polarity presentation.

The existing research pays less attention to the impact of online reviews presentation on consumers’ decision making, especially the lack of discussion on the interaction effect between involvement and online reviews presentation. For this reason, this paper proposes a problem, which concerns whether mixed presentation and classified presentation of online reviews will affect consumers’ decision making differently.