Study in reviewer generousity related to amount of reviewing experience

Hannes Lohmander

Question

Do users who have written many reviews and/or have been writing reviews for a long period of time tend to be more positive or negative?

Methods

  • Subset the users, based on when they joined Yelp, into three groups
  • Subset reviews into three categories, early, mid and late, based on the user groups
  • Pick a year (2014), which we'll compare the different groups with
  • Compare the different results, see if there are any clear trends
  • Do a comparison of the early group between an early year (2008) and 2014

Result

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Conclusion

The answer to the initial question is that there are that there seem to be no such relationship between the duration of the membership and the average rating.