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The Goldfinch
More product info From Donna Tartt (author)


Rating:
26,032 Reviews
28% of potentially unnatural reviews removed (Why?)
Adjusted:
18,651 Reviews




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Report Info:
Last Updated: May 6, 2019
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Note: While Amazon.com claims 26,032 reviews, we counted 26,047 available on their site.

Top products in Books with authentic reviews:


Junkyard Wonders



Adjusted
Rating:
66 Reviews

Between Life and Death



Adjusted
Rating:
49 Reviews

Report Card

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

Most Trusted Reviews

The characters are beautifully drawn. I didn't want the story ... [Go to full review]
Jan 1, 2014      
50% TRUST
  • Unverified Purchaser
  • Created on a high volume day
  • Overrepresented word count (31 words)
  • Take-Back Reviewer (1 deleted review; avg. rating: 4.0)
  • Overrepresented Participation (posted 15 reviews)
  • Easy Grader (avg. rating: 4.3)


Least Trusted Reviews

Intriguing, beautifully written and one of my very favorite books. ... [Go to full review]
Nov 24, 2015      
0% TRUST
  • Verified Purchaser
  • Overrepresented word count (18 words)
  • Contains repetitive phrases (show)
  • Single-Day Reviewer (posted all reviews on Nov 24, 2015)
  • Take-Back Reviewer (1 deleted review; avg. rating: 2.0)
  • Overrepresented Participation (posted 2 reviews)
  • Easy Grader (avg. rating: 5.0)


Analysis Details

Fail Suspicious Reviewers

One-Hit Wonders


2,966 of the 26,047 reviewers have only reviewed this product. While this is more One-Hit Wonders than we'd expect to see, it does not appear to have a significant impact on the overall rating.

from one-hit wonders

from reviewers with more than one review


3.6
3.8


Take-Back Reviewers


6,763 of the 26,047 reviewers have had at least one of their past reviews for another product deleted. This is an excessively large percentage of Take-Back Reviewers which may indicate unnatural reviews.

from take-back reviewers

from reviewers without previously deleted reviews


3.8
3.7


Single-Day Reviewers


434 of the 26,047 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 3.9 while all other reviewers 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 single-day reviewers

from non-single-day reviewers


3.9
3.8


Read more about our Suspicious Reviewers 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:
1343 reviews
(3.3/5)
277 reviews
(4.6/5)
278 reviews
(4.6/5)
Common Phrases in Titles:
258 reviews
(4.4/5)


348 of the 26,047 total reviews for this product use substantial repetitive phrases between them. These reviewers have rated this product an average of 4.4 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


4.4
3.8


Read more about our Phrase Repetition test.

Warn Deleted Reviews

We discovered a total of 267 deleted reviews for this product, with an average rating of 3.9. 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 the Deleted Reviews test here.

3.9 average rating of deleted reviews

3.9


Show distribution of deleted reviews

Warn Rating Trend

  • 69%
  • Created over 350 days

We counted 26,047 reviews for this product over the span of 2,048 days, an average of 12.7 reviews per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 26 or fewer reviews on any given day.

However, we see the following 350 days exceeding this threshold:In total, we found that 17,962 reviews were created on just 350 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


3.7
3.8


Read more about our Rating Trend test.

Warn Word Count Comparison

  • 43%
  • 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 11,325 reviews (or 43%) are within an overrepresented word count group. While this is more reviews from overrepresented word count groups than we'd expect to see, the discrepancy in ratings between reviews with overrepresented word groups and all other reviews isn’t significant enough to rule out the possibility of it being due to random chance.

from reviews with an overrepresented word count

from reviews with a properly represented word count


3.8
3.7


Read more about our Word Count Comparison test.

Warn Reviewer Participation

  • 69%
  • 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 17989 reviewers (or 69%) 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


3.7
3.8


Read more about our Reviewer Participation test.

Pass Unverified Purchases

3,759 of the 26,047 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


3.5
3.8


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:

5% also reviewed:
Gone Girl: A Novel by Julia Whelan

3% also reviewed:
The Book Thief by Markus Zusak

Does not include products
from the same brand


6,195 of the 26,047 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


3.8
3.7


Read more about our Overlapping Review History 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, while the average ease score for reviewers in this category is 4.3.

4.0 Product's Average Ease Score

4.3 Category's Average Ease Score


4.0
4.3


Read more about our Reviewer Ease test.


Pass Brand Repeats

Brand Repeaters


665 of the 26,047 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


3.8
3.8


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.

  • 0%
  • 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, or check out our study showing that Incentivized Reviewers are much more likely to leave a positive review.


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