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Table 1 Five types of advisors based on different review balance

From: How buyers perceive the credibility of advisors in online marketplace: review balance, review count and misattribution

Type Description
I. Extremely negative Balanced R < <Sa: number of positive ratings are significantly lower than number of negative ratings (R/S < 0.2b)
II. Negative balanced R < S: number of positive ratings are lower than number of negative ratings (0.2 ≤ R/S < 0.7)
III. Neutral balanced R ≈ S: number of positive ratings are approximately the same as number of negative ratings (0.7 ≤ (R/S or S/R) ≤ 1)
IV. Positive balanced R > S: number of positive ratings are larger than number of negative ratings (0.2 ≤ S/R < 0.7)
V.Extremely positive Balanced R> > S: number of positive ratings are significantly larger than number of negative ratings (S/R < 0.2)
  1. Note: a: R refers to number of positive ratings/reviews; S refers to number of negative ratings/reviews; b: this ratio is only used to describe a phenomenon (e.g., R < <S) and used to manipulate of advisors’ profiles. It is not a strict classification of advisors.