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Insurgent: Divergent, Book 2
More product info From Veronica Roth

Amazon Reviews for  Insurgent: Divergent, Book 2
Rating:
21,819 Ratings
("Ratings" vs. "Reviews")
27% of potentially unnatural reviews removed (why?)
Adjusted:
15,910 Ratings*




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Top products in Survival Stories with authentic reviews:


Report Card

Warn Overall Grade
FAIL Brand Repeats
FAIL Word Count Comparison
FAIL Phrase Repetition
WARN Deleted Reviews
WARN Suspicious Reviewers
WARN Reviewer Ease
PASS Rating Trend
PASS Unverified Purchases
PASS Overlapping Review History
PASS Incentivized Reviews
N/A Reviewer Participation

Most Trusted Reviews

5/5
Great book [Go to full review]
Mar 16, 2021      
100% TRUST
  • Verified Purchaser
  • Take-Back Reviewer (2 deleted Reviews; avg. rating: 4.5)
  • Critical Reviewer (avg. rating: 4.1)


Least Trusted Reviews

5/5
it's great to read on a day of boredom it ... [Go to full review]
Sep 26, 2014      
0% TRUST
  • Verified Purchaser
  • Created on a high volume day
  • Overrepresented word count (23 words)
  • Contains repetitive phrases (show)
  • Take-Back Reviewer (1 deleted Review; avg. rating: 5.0)
  • Brand Repeater (3 of 10 reviews for this brand; avg rating: 4.7)
  • Overrepresented Participation (posted 10 Reviews)
  • Critical Reviewer (avg. rating: 4.2)


Analysis Details

Fail Brand Repeats

Brand Repeaters


Approximately 40% of reviewers have reviewed other products for this brand. While this is more Brand Repeaters than we'd expect to see, the discrepancy in ratings between the Brand Repeaters and non-repeaters isn't significant enough to rule out the possibility of it being due to random chance.

from Brand Repeaters

from Non-Repeaters


4.4
4.3


Brand Monogamists


Less than approximately 10% of reviewers have reviewed multiple products, but only for this brand. This is an excessively large percentage of Brand Monogamists which may indicate unnatural reviews.

from Brand Monogamists

from Non-Monogamists


4.8
4.4


Read more about our Brand Repeats test.

Fail Word Count Comparison

  • ~50%
  • Have an overrepresented word count

In the graph above, we can see the distribution of review word counts for this product and the expected distribution for this category. We see the following 2 groups with a statistically significant greater concentration than what we'd expect to see:In total, we found that approximately 50% are within an overrepresented word count group. These reviews have rated this product an average of 4.5, while all other reviews have rated this product an average of 4.2. Based on our statistical modeling, the discrepancy in average rating between these two groups is significant enough to believe that the difference is not due to random chance, and may indicate that there are unnatural reviews.

from reviews with an overrepresented word count

from reviews with a properly represented word count


4.5
4.2


Read more about our Word Count Comparison test.

Fail Phrase Repetition


Approximately 30% of reviews use substantial repetitive phrases between them. These reviewers have rated this product an average of 4.7 while reviews without substantial repetitive phrases rated this product an average of 4.2. Based on our statistical modeling, the discrepancy in average rating between these two groups is significant enough to believe that the difference is not due to random chance, and may indicate that there are unnatural reviews.

from reviews with substantial repetitive phrases

from reviews without substantial repetitive phrases


4.7
4.2


Read more about our Phrase Repetition test.

Warn Deleted Reviews

We discovered a total of 1 deleted Review for this product, with an average rating of 5. Even though deleted reviews don't affect the average rating, the fact that action was taken to delete reviews raises some red flags about the integrity of the reviews for the product as whole.

There are a few limitations to keep in mind regarding the Deleted Reviews test:
  1. We don't have a magic ability to collect every single deleted review; we can only identify reviews as deleted if we collect them on one date and then notice they are no longer visible on a subsequent date.
  2. We have no information on reviews that were never published in the first place.
  3. We also don't know why these reviews were removed. It could be action from the platform, personal decision by the review author, part of an entire account closure, even some data error on our part, etc.
Read more about our Deleted Reviews test.

5.0 average rating of deleted reviews

5.0


Show distribution of deleted reviews

Warn Suspicious Reviewers

Take-Back Reviewers


Approximately 40% of reviewers have had at least one of their past reviews for another product deleted. While this is more Take-Back Reviewers than we'd expect to see, it does not appear to have a significant impact on the overall rating.

from take-back reviewers

from reviewers without previously deleted reviews


4.3
4.4


Read more about our Suspicious Reviewers test.

Warn Reviewer Ease
The ease score is the average rating for all reviews that a given reviewer submits. The average ease score for reviewers of this product is 4.4, while the average ease score for reviewers in this category is 4.2. While this discrepancy is rather large, it is not quite large enough to rule out the possibility of it being due random chance.

4.4 Product's Average Ease Score

4.2 Category's Average Ease Score


4.4
4.2


Read more about our Reviewer Ease test.


Pass Rating Trend
We didn't notice any signals that would indicate reviews were created unevenly over time.
Read more about our Rating Trend test.

Pass Unverified Purchases

1,233 of the 21,819 total reviews for this product are unverified purchases. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.

from unverified purchasers

from verified purchases


3.9
4.4


Unverified purchases may be the result of Kindle Unlimited readers, buyers who didn't pay full price, or reviewers who did not purchase the product at Amazon. Read more about our Unverified Purchases test.

Pass Overlapping Review History
Reviewers of this product have ALSO reviewed the following products:

<10% also reviewed:
Bloodlines by Razorbill

<10% also reviewed:
The Host by Stephenie Meyer

Does not include products
from the same brand


Approximately 15% of reviewers have substantial overlapping product review history. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.

from reviewers with substantial overlapping history

from reviewers without a substantial overlapping history


4.3
4.4


Read more about our Overlapping Review History test.

Pass Incentivized Reviews
On Oct 3, 2016, Amazon prohibited incentivized reviews, however we still test for them since there are still millions in our dataset.

  • <10%
  • Admitted to receiving an incentive
We didn't detect any reviews that used language indicating they were incentivized.
Read more about our Incentivized Reviews test. Check out our study showing that Incentivized Reviewers are much more likely to leave a positive review.

N/A Reviewer Participation
We haven't collected sufficient data to run this test yet. more info