Özet:

The impact of social media on society has been growing fast, especially in the information era. While there are several studies in the literature that show the effect of social media on society, the least touched point is about the effect of social events on social media. Since the relation of social events and social media is not in one direction, this study aims to find the reaction behaviors of social media users for positive and negative events in society. Sentiments of approximately 5 million tweets of 5000 users filtered from 127 thousand were analyzed and the results showed that most positive and negative days of 2015 and first quarter of 2016 in Turkey were detected by this sentiment analysis with 69.05% accuracy. Also in this study, the effects of those social events on social media were examined in terms of reaction speed. As a result, 4 main social media reaction types were classified as “sudden impact-sudden fall”, “normal distribution”, “hear, ask, prove, react” and “one shot-long stay”. Keywords: Social Media, Twitter, Sentiment Analysis, Social Psychology, Reaction 

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