The Psychology of Online Reviews: Understanding Consumer Behaviour and Its Impact on Purchase Decisions

Abstract In today’s digital world, online reviews have become a powerful tool that strongly influences what people buy. Whether it is a mobile phone, a restaurant, or a holiday booking, most consumers now check reviews before making any decision. This study looks at the psychology behind online reviews and how they affect consumer behaviour and purchase decisions. It explores why people trust online reviews, how they process the information, and how positive or negative comments can change their opinion about a product or service. Online reviews are seen as personal experiences shared by other users, which makes them more believable than advertisements. Factors like the number of reviews, the overall rating, detailed feedback, and even how recent a review is can affect a buyer’s trust. This paper also discusses how emotions in reviews, reviewer credibility, and the use of photos or videos can increase impact. The study highlights that reviews do not just provide information—they shape perception, create trust, and reduce the risk of buying something new. At the same time, fake or overly biased reviews can confuse customers and reduce trust. Understanding the psychological effects of reviews can help businesses improve their review strategies and also help consumers make better decisions.In conclusion, online reviews are not just feedback—they are a key part of modern consumer behaviour. This paper aims to provide insights for marketers, businesses, and consumers to better understand and use online reviews effectively.