https://globalmainstreamjournal.com/index.php/BEDPM <p><strong>Global Mainstream Journal of Business, Economics, Development &amp; Project Management( </strong>ISSN: <strong><a href="https://portal.issn.org/resource/ISSN-L/2998-3746">2998-3746</a>)</strong> is an international academic open-access double blind peer reviewed journal that aims to promote the integration of trade, economics, and finance. The focus is to publish papers on state-of-the-art economics, business and project management. It provides a focus for worldwide expertise in the required techniques, practices and areas of research; presents a forum for its readers to share common experiences across the full range of industries and technologies relevant to economic perspective and project management practices and business decisions across the world with the present trends. It creates a bridge between theory and practice by publishing case studies and covering the latest important issues.</p> Global Mainstream Journal en-US Global Mainstream Journal of Business, Economics, Development & Project Management 2998-3746 https://globalmainstreamjournal.com/index.php/BEDPM/article/view/251 <p>In marketplaces characterised by high costs, infrequency, and personal significance, consumer decisions persist well beyond the point of purchase due to the necessity of managing uncertainty, evaluating other options, and justifying their choices to themselves and others. This study investigates dissonance-reducing purchasing behaviour in high-involvement consumer acquisitions and addresses a pertinent gap in understanding how customers navigate post-purchase uncertainty in digital and socially accessible markets, where comparison persists after commitment. The research seeks to elucidate how consumers mitigate post-purchase dissonance and how these coping mechanisms affect satisfaction, loyalty, complaint behaviour, and the durability of brand commitment across time. This study aims to identify the situational and psychological factors that elicit dissonance following high-involvement purchases and to analyse the strategies consumers employ to alleviate that tension, while elucidating how companies can create ethical post-purchase interactions that foster confidence and loyalty. Utilising cognitive dissonance theory, involvement theory, and post-decisional information processing, the study employs a qualitative design grounded in document analysis and interpretive synthesis of secondary sources derived from classical theory, consumer research, and investigations of review environments and digital commerce. The analysis indicates that dissonance intensifies when perceived risk is elevated, brand distinctions are minimal, reversibility is low, and identity issues are prominent. It demonstrates that consumers mitigate discomfort by seeking reassurance, conducting selective information searches, reinforcing attitudes, lodging complaints, returning products, or reversing decisions, contingent upon performance indicators, social feedback, and the accessibility of remedial measures. The study enhances academic discourse by framing dissonance as a systematic post-purchase phenomenon rather than a singular emotion, while also providing practical insights for marketers, retailers, and consumer protection advocates regarding expectation management, after-sales communication, human assistance, and equitable resolution policies. This study, based on secondary qualitative evidence from diverse purchase categories, necessitates future research to explore these dynamics through primary and longitudinal investigations across various platforms and product types, thereby establishing a robust foundation for a more profound comprehension of consumer confidence post-purchase.</p> <p>&nbsp;</p> <p>&nbsp;</p> Monika Mehjabeen Tisha Md. Mokshud Ali Soburna Akter Hera Mumtahina Tahsin Lima Md. Minhaj Hossain Copyright (c) 2026 2026-05-11 2026-05-11 4 02 01 11 10.62304/jbedpm.v4i02.251