Research-inspired editorial · 2026-11-14

The Impact of Bank Complaint Resolution on Customer Behaviour: Insights from a New Study

Author: Martina Mundová

With the rapid expansion of digital banking, customer complaints have increased significantly, making accountable grievance redressal central to consumer protection. According to the abstract, a study by Shraddha Sengupta and Amalesh Bhowal published in the International Journal of Marketing Research Innovation (2026) investigates how complaint resolution outcomes shape post-resolution customer biases.

Introduction

As digital banking continues to expand rapidly, financial institutions face a growing volume of customer complaints. Transparent and accountable grievance redressal has therefore become a cornerstone of consumer protection and strong institutional governance.

Although previous research frequently linked complaint handling to general customer satisfaction and loyalty, it paid limited attention to how the actual outcome of a resolved complaint shapes the customer's subsequent judgements and behaviour.

This article explores a recent quantitative study examining this exact dynamic, focusing on its main findings, methodological limitations, and practical takeaways for web platform operators and small businesses.

What the study examined

According to the abstract, the study examines the influence of bank complaint resolution outcomes on four post-resolution behavioural biases: confirmation bias, loss aversion, overconfidence, and complaint avoidance.

Primary data were collected through a cross-sectional survey utilizing a structured questionnaire. The sample comprised 547 customers across 329 branches of 12 public-sector and 12 private-sector banks in Guwahati City, India.

All participating respondents had previously lodged a formal complaint with their bank. The collected data were subsequently analysed using descriptive statistics, Cronbach's alpha, and simple linear regression models.

Findings and interpretation

According to the abstract, the results show that 56.3% of complaints were fully resolved, 40.0% partially resolved, and 3.7% not resolved. The reliability of the bias scales was confirmed, with Cronbach's alpha values ranging from 0.781 to 0.893.

The analysis indicates that complaint resolution outcomes were positively related to confirmation bias, loss aversion, and overconfidence. Conversely, a negative relationship was observed with complaint avoidance.

Loss aversion recorded the highest mean score, while confirmation bias recorded the lowest. The study suggests that resolving a complaint functions as a significant behavioural event rather than mere procedural closure within inclusive financial services.

Methodology and limitations

The study relies on a quantitative research design utilizing a structured questionnaire and a cross-sectional survey administered to a sample of 547 respondents, providing a standardized view of customer perspectives.

However, several important limitations stem from the fact that our analysis is based strictly on the publisher-supplied abstract. Without access to the full text, we cannot independently verify the exact questionnaire items or control variables.

Furthermore, the data originate from a specific banking market in Guwahati City, India, meaning that findings cannot be generalized to other geographic regions, such as Slovakia, or different industries without supplementary local data.

WEBU practical proposal

From a WEBU editorial perspective, small businesses and web designers should treat complaint handling on digital platforms not merely as an administrative obligation, but as a critical user experience milestone. E-commerce sites and corporate portals must design return and dispute resolution interfaces to be transparent and intuitive.

Since the research highlights a strong link between complaint outcomes and psychological biases like loss aversion, thoughtful web communication can actively mitigate customer anxiety. Providing clear status trackers in customer accounts and explaining each resolution step helps reassure users.

For marketing and web management, this means fostering trust through proactive notifications and transparent updates. When customers see their issues handled fairly, the psychological friction and hesitation regarding future online transactions diminish.

Conclusion

The new study by Sengupta and Bhowal offers valuable insights into how complaint resolution outcomes shape consumer psychology within the banking sector. According to the abstract, it highlights the behavioural weight of grievance redressal.

While the findings point to robust statistical associations between complaint outcomes and post-resolution biases, readers must consider the specific regional context and the intrinsic limitations of relying on an abstract summary.

For web platform operators and business owners, the key takeaway remains clear: transparent and accountable handling of customer disputes directly reinforces long-term trust and positive user behaviour in digital environments.

Scientific sources

Shraddha Sengupta, Amalesh Bhowal (2026). Bank complaint resolution outcomes and customer behavioural biases for accountable financial institutions in guwahati India. International Journal of Marketing Research Innovation. https://doi.org/10.46281/ijmri-2026-11-01-02 https://doi.org/10.46281/ijmri-2026-11-01-02