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Gone Girl: A Novel
More product info From Julia Whelan

Amazon Reviews for  Gone Girl: A Novel
Rating:
43,995 Ratings
45,161 Reviews
("Ratings" vs. "Reviews")
37% of potentially unnatural reviews removed (why?)
Adjusted:
27,525 Reviews




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Report Info:
Last Updated: May 20, 2020
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Note: While Amazon.com claims 43,995 Ratings, we counted 45,161 Reviews available on their site.
Note: We only analyze "reviews" and ignore one-tap "ratings".

Report Card

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

Most Trusted Reviews

4/5
Very twisting tale of how we don't really know who ... [Go to full review]
May 31, 2014      
59% TRUST
  • Verified Purchaser
  • Overrepresented word count (25 words)
  • Easy Grader (avg. rating: 4.6)


Least Trusted Reviews

Fun book with lots of twists and turns...but then the ... [Go to full review]
Mar 12, 2015      
0% TRUST
  • Verified Purchaser
  • Created on a high volume day
  • Overrepresented word count (20 words)
  • Contains repetitive phrases (show)
  • Take-Back Reviewer (1 deleted Review; avg. rating: 4.0)
  • Overlapping Review History: reviewed 1 of 9 top products
  • Overrepresented Participation (posted 8 Reviews)
  • Critical Reviewer (avg. rating: 3.2)


Analysis Details

Fail Suspicious Reviewers

Take-Back Reviewers


13,383 of the 45,161 reviewers have had at least one of their past reviews for another product deleted. The Take-Back Reviewers have rated this product an average of 4.0 while the reviewers who don't have any deleted reviews in their history have rated this product an average of 3.9. 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 take-back reviewers

from reviewers without previously deleted reviews


4.0
3.9


Single-Day Reviewers


454 of the 45,161 reviewers have written multiple reviews but posted all of them on a single day. The Single-Day reviewers have rated this product an average of 4.0 while all other reviewers rated this product an average of 3.9. 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 single-day reviewers

from non-single-day reviewers


4.0
3.9


Read more about our Suspicious Reviewers test.

Fail Word Count Comparison

  • 25%
  • 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 1 group with a statistically significant greater concentration than what we'd expect to see:In total, we found that 11,516 reviews (or 25%) are within an overrepresented word count group. These reviews have rated this product an average of 4.1, while all other reviews have rated this product an average of 3.8. 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


4.1
3.8


Read more about our Word Count Comparison test.

Fail Phrase Repetition
Reviews that contain one of these phrases are NOT necessarily devalued; read more about how this test works here.

Common Phrases in Reviews:
1938 reviews
(4.5/5)
3425 reviews
(4.4/5)
606 reviews
(4.6/5)
603 reviews
(4.7/5)
646 reviews
(4.4/5)
552 reviews
(4.3/5)
630 reviews
(4.5/5)
1061 reviews
(4.5/5)
1123 reviews
(4.6/5)
Show MoreShow Less
Common Phrases in Titles:
432 reviews
(4.7/5)


4,152 of the 45,161 total reviews for this product 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 3.8. 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
3.8


Read more about our Phrase Repetition test.

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

3% also reviewed:
Fifty Shades of Grey by E. L. James

3% also reviewed:
The Goldfinch by Donna Tartt (author)

Does not include products
from the same brand


7,519 of the 45,161 reviewers have substantial overlapping product review history. These reviewers have rated this product an average of 4.0 while the reviewers who have a more unique product review history rated this product an average of 3.9. 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 reviewers with substantial overlapping history

from reviewers without a substantial overlapping history


4.0
3.9


Read more about our Overlapping Review History test.

Warn Deleted Reviews

We discovered a total of 585 deleted Reviews for this product, with an average rating of 4.2. 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.

4.2 average rating of deleted reviews

4.2


Show distribution of deleted reviews

Warn Rating Trend

  • 61%
  • Created over 438 days

We counted 45,161 reviews for this product over the span of 2,960 days, an average of 15.3 reviews per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 30 or fewer reviews on any given day.

However, we see the following 438 days exceeding this threshold:In total, we found that 27,574 reviews were created on just 438 days. This is an excessively high number of reviews submitted on these high volume days.

from reviews created on high volume days

from reviews created on normal volume days


3.9
3.9


Read more about our Rating Trend test.

Warn Reviewer Participation

  • 66%
  • From reviewers with an overrepresented participation

We see the following 2 participation groups with a statistically significant greater concentration than what we'd expect to see:In total, we found that 29593 reviewers (or 66%) are within an overrepresented participation group. This is an excessively high number of reviewers in overrepresented participation groups.

From reviewers with an overrepresented participation

From reviewers with a properly represented participation


3.9
3.9


Read more about our Reviewer Participation test.

Pass Unverified Purchases

8,373 of the 45,161 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


3.7
3.9


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 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 4.1, while the average ease score for reviewers in this category is 4.3.

4.1 Product's Average Ease Score

4.3 Category's Average Ease Score


4.1
4.3


Read more about our Reviewer Ease test.


Pass Brand Repeats

Brand Repeaters


2,321 of the 45,161 reviewers have reviewed other products for this brand. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.

from Brand Repeaters

from Non-Repeaters


4.4
3.9


Read more about our Brand Repeats 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.


3 of the 45,161 total reviews for this product admitted to receiving a free or discounted product in exchange for a review. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.

from incentivized reviews

from non-incentivized reviews


3.3
3.9


Read more about our Incentivized Reviews test. Check out our study showing that Incentivized Reviewers are much more likely to leave a positive review.