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A Thousand Splendid Suns
More product info
From Khaled Hosseini
This report was last updated 12/28/2021.
Refresh the report to view the most up-to-date data available:
Refresh the report to view the most up-to-date data available:
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Report Info:
Note: While Amazon.com claims 16,624 Ratings, we counted 5,111 Reviews available on their site.
Note: We only analyze "reviews" and ignore one-tap "ratings".
Note: We only analyze "reviews" and ignore one-tap "ratings".
Report Card
Pass Overall Grade
FAIL 
Brand Repeats
Brand RepeatsWARN Deleted Reviews
Deleted ReviewsWARN Rating Trend
Rating TrendWARN Suspicious Reviewers
Suspicious ReviewersWARN Reviewer Participation
Reviewer ParticipationPASS Unverified Purchases
Unverified PurchasesPASS Word Count Comparison
Word Count ComparisonPASS Phrase Repetition
Phrase RepetitionPASS Overlapping Review History
Overlapping Review HistoryPASS Reviewer Ease
Reviewer EasePASS Incentivized Reviews
Incentivized Reviews
Most Trusted Reviews
I have to admit that I was a little leary ... [Go to full review]
Jul 17, 2008
100%
TRUST
TRUST
-
Unverified Purchaser
-
Brand Repeater (2 of 16 reviews for this brand; avg rating: 5.0) -
Overlapping Review History: reviewed 1 of 9 top products -
Easy Grader (avg. rating: 4.8)
Verified Purchaser
Critical Reviewer (avg. rating: 4.2)
show)
Least Trusted Reviews
Very enlightening about the Afghan culture as well as inspirational ... [Go to full review]
Dec 17, 2007
0%
TRUST
TRUST
-
Unverified Purchaser
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Created on a high volume day
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Never-Verified Reviewer -
Brand Monogamist (1691 reviews for this brand; avg rating: 4.7) -
Overrepresented Participation (posted 2 Reviews) -
Easy Grader (avg. rating: 5.0)
Analysis Details
Fail Brand Repeats
Brand Repeats
Brand Loyalists
142 of the 5,111 reviewers have reviewed multiple products but half or more of their reviews are for this brand. While this is more Brand Loyalists than we'd expect to see, the discrepancy in ratings between the Brand Loyalists and non-loyalists isn't significant enough to rule out the possibility of it being due to random chance.
Brand Monogamists
113 of the 5,111 reviewers have reviewed multiple products, but only for this brand. This is an excessively large percentage of Brand Monogamists which may indicate unnatural reviews.
Warn Deleted Reviews
Deleted Reviews
We discovered a total of 45 deleted Reviews for this product, with an average rating of 4.8. 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:
- 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.
- We have no information on reviews that were never published in the first place.
- 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.
4.8 average rating of deleted reviews
Warn Rating Trend
Rating Trend
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- 9%
- Created over 48 days
We counted 5,111 reviews for this product over the span of 5,254 days, an average of 1.0 reviews per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 6 or fewer reviews on any given day.
However, we see the following 48 days exceeding this threshold:In total, we found that 472 reviews were created on just 48 days. Although any days with a larger number of reviews than expected is suspicious, these reviews do not appear to have a significant impact on the overall rating.
Warn Suspicious Reviewers
Suspicious Reviewers
Take-Back Reviewers
1,614 of the 5,111 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.
Warn Reviewer Participation
Reviewer Participation
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- 59%
- 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 2994 reviewers (or 59%) are within an overrepresented participation group. This is an excessively high number of reviewers in overrepresented participation groups.
Pass Unverified Purchases
Unverified Purchases
1,920 of the 5,111 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.
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 Word Count Comparison
Word Count Comparison
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- 0%
- Have an overrepresented word count
We didn't find any review word count groups that had a statistically significant greater concentration than what we'd expect to see in this category.
Read more about our Word Count Comparison test.
Read more about our Word Count Comparison test.
Pass Phrase Repetition
Phrase Repetition
Reviews that contain one of these phrases are NOT necessarily devalued; read more about how this test works here.
598 of the 5,111 total reviews for this product use substantial repetitive phrases between them. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.
Pass Overlapping Review History
Overlapping Review History
Reviewers of this product have ALSO reviewed the following products:
11% also reviewed:
The Kite Runner by Riverhead Books
5% also reviewed:
The Hunger Games Trilogy by Suzanne Collins
4% also reviewed:
Water for Elephants: A Novel by Sara Gruen
4% also reviewed:
Gone Girl: A Novel by Julia Whelan
4% also reviewed:
The Book Thief by Markus Zusak
3% also reviewed:
All the Light We Cannot See: A Novel by Anthony Doerr
3% also reviewed:
The Goldfinch by Donna Tartt
3% also reviewed:
The Glass Castle: A Memoir by Jeannette Walls
3% also reviewed:
The Help by Kathryn Stockett
1,290 of the 5,111 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.
Pass Reviewer Ease
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 4.3. 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
4.3 Category's Average Ease Score
Read more about our Reviewer Ease test.
Pass Incentivized Reviews
Incentivized Reviews
On Oct 3, 2016, Amazon prohibited incentivized reviews, however we still test for them since there are still millions in our dataset.
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- 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. Check out our study showing that Incentivized Reviewers are much more likely to leave a positive review.
Read more about our Incentivized Reviews test. Check out our study showing that Incentivized Reviewers are much more likely to leave a positive review.