With the rapid growth of the Internet, users’ ability to publish content has created active electronic communities that provide a wealth of product information. Consumers naturally gravitate to reading reviews in order to decide whether to buy a product. However, the high volume of reviews that are typically published for a single product makes it harder for individuals to locate the best revie...

BACKGROUND Behavioural weight loss programs are effective first-line treatments for obesity and are recommended by the US Preventive Services Task Force. Gaining an understanding of intervention components that are found helpful by different demographic groups can improve tailoring of weight loss programs. This paper examined the perceived helpfulness of different weight loss program components...

Recent researches have seen an upsurge in the analysis of consumer reviews. Although, several dimensions have been explored, less is known on the temporal dynamics of events that happen over the lifecycle of online products. What are the dominant sales patterns? How are they affected by review count, rating, helpfulness and sentiment? How is trust characterized and what are its effects on sales...

With the rapid growth of the Internet, users’ ability to publish content has created active electronic communities that provide a wealth of product information. Consumers naturally gravitate to reading reviews in order to decide whether to buy a product. However, the high volume of reviews that are typically published for a single product makes it harder for individuals to locate the best revie...

OBJECTIVES To assess the beliefs amongst health professionals in Singapore about management of 3 major mental disorders, comparing psychiatrists and a sample of primary care physicians, and so identify target areas for the education of primary health professionals. MATERIALS AND METHOD A questionnaire earlier distributed to psychiatrists at Woodbridge Hospital was posted to both Singapore gen...

OBJECTIVES Previous questionnaire studies have attempted to explore the factor structure of lay beliefs about the causes of depression. These studies have tended to either fail to sample the full range of possible causal explanations or extract too many factors, thereby producing complex solutions. The main objective of the present study was to obtain a more complete and robust factor structure...

Building on the interpersonal evaluation theory in social psychology, this study explores the existence of a negativity bias in evaluating the helpfulness of online reviews, i.e., whether users perceive a negative review to be more helpful than a positive review. An analysis of 7659 book reviews from Amazon.co.uk shows that a negativity bias disappears after controlling for moderating factors r...

BACKGROUND There is some evidence that the perceived credibility of specific forms of psychotherapy, beliefs about helpful and not-so-helpful interventions, and differential treatment preferences may influence both therapeutic alliance and outcome, at least in the short term. The present study explored whether distinct clusters exist, based on credibility ratings, and how these may be related t...