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People are increasingly searching for health information from online sources such as question-and-answer (Q&A) services. The health information obtained this way can have significant impacts on people’s health decisions and lives, but what constitutes a helpful answer in the medical domain...
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Online word-of-mouth studies generally assume that a product’s average rating is the primary force shaping consumers’ purchase decisions and driving sales. Similarly, practitioners place more emphasis on average ratings by displaying them at more salient places than individual reviews. In...
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A common assumption in prior research and practice is that more helpful online reviews will exert a greater impact on consumer attitudes and purchase decisions. We suggest that this assumption may not hold for reviews expressing anger. Building on Emotions as Social Information (EASI) theory, we...
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