Table 1 Comparison of metrics for measuring credibility of tweets

Consistency of message

Retweets, mentions

[7],[8],[17], [19],[22],[24]

Retweets are better than mentions

Yes

Coherency of message

Questions, affirms, denial, no of words, pronouns, hashtags, URLs, exclamation marks, negative and positive sentiments, NLP techniques

[7],[8], [17]-[20]

Decision tree algorithms with a combination of various factors are accurate

Computationally intensive, requires ground truth

Content analysis required. Metrics are an indirect measure

Credibility of Source

Tweets, retweets, mentions, indegree, user name, image, followers, followees, age

[7],[8],[17], [19],[21],[24]

Retweets are more accurate

Yes

General acceptability

Retweets

[7],[8]

Good

Yes