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Fifty Shades of Grey: Book 1 of the Fifty Shades trilogy
More product info
From E L James
This report was last updated 8/26/2020.
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.co.uk claims 39,645 Ratings, we counted 9,731 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".
Top products in Literature & Fiction with authentic reviews:
Report Card
Warn Overall Grade
FAIL 
Unverified Purchases
Unverified PurchasesFAIL Suspicious Reviewers
Suspicious ReviewersFAIL Phrase Repetition
Phrase RepetitionWARN Deleted Reviews
Deleted ReviewsWARN Rating Trend
Rating TrendWARN Brand Repeats
Brand RepeatsWARN Reviewer Participation
Reviewer ParticipationPASS Word Count Comparison
Word Count ComparisonPASS Overlapping Review History
Overlapping Review HistoryPASS Reviewer Ease
Reviewer EasePASS Incentivized Reviews
Incentivized Reviews
Most Trusted Reviews
great product [Go to full review]
Jul 20, 2019
100%
TRUST
TRUST
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Verified Purchaser
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Take-Back Reviewer (5 deleted Reviews; avg. rating: 4.8) -
Brand Repeater (2 of 43 reviews for this brand; avg rating: 5.0) -
Easy Grader (avg. rating: 5.0)
Least Trusted Reviews
I downloaded this onto my kindle without really knowing what ... [Go to full review]
May 23, 2012
0%
TRUST
TRUST
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Unverified Purchaser -
Created on a high volume day
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One-Hit Wonder -
Never-Verified Reviewer -
Overrepresented Participation (posted 1 Review) -
Critical Reviewer (avg. rating: 1.0)
Analysis Details
Fail Unverified Purchases
Unverified Purchases
2,210 of the 9,731 total reviews for this product are unverified purchases. The unverified purchasers have rated this product an average of 2.9 while the verified purchasers have rated this product an average of 3.6. 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.
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.
Fail Suspicious Reviewers
Suspicious Reviewers
Single-Day Reviewers
271 of the 9,731 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 3.4. 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.
Fail Phrase Repetition
Phrase Repetition
Reviews that contain one of these phrases are NOT necessarily devalued; read more about how this test works here.
527 of the 9,731 total reviews for this product use substantial repetitive phrases between them. These reviewers have rated this product an average of 4.2 while reviews without substantial repetitive phrases rated this product an average of 3.4. 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.
Warn Deleted Reviews
Deleted Reviews
We discovered a total of 61 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:
- 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.
3.9 average rating of deleted reviews
Warn Rating Trend
Rating Trend
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- 48%
- Created over 174 days
We counted 9,731 reviews for this product over the span of 3,378 days, an average of 2.9 reviews per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 10 or fewer reviews on any given day.
However, we see the following 174 days exceeding this threshold:In total, we found that 4,690 reviews were created on just 174 days. This is an excessively high number of reviews submitted on these high volume days.
Warn Brand Repeats
Brand Repeats
Brand Loyalists
351 of the 9,731 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.
Warn Reviewer Participation
Reviewer Participation
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- 33%
- From reviewers with an overrepresented participation
We see the following 1 participation group with a statistically significant greater concentration than what we'd expect to see:In total, we found that 3213 reviewers (or 33%) are within an overrepresented participation group. While this is more reviews from overrepresented participation groups than we'd expect to see, these reviews do not appear to have a significant impact on the overall rating.
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 Overlapping Review History
Overlapping Review History
Reviewers of this product have ALSO reviewed the following products:
4% also reviewed:
The Hunger Games Trilogy - 3 Book Set by The Hunger Games
2% also reviewed:
Me Before You by Jojo Moyes
2% also reviewed:
Gone Girl by Gillian Flynn
2% also reviewed:
Reflected in You: A Crossfire Novel by Sylvia Day
2% also reviewed:
The Girl on the Train by Paula Hawkins
2% also reviewed:
The Crossfire Series Box Set by Sylvia Day
1% also reviewed:
Kindle Keyboard, Wi-Fi, 6” E Ink Display by Amazon
1% also reviewed:
Amazon.co.uk Gift Card in a Greeting Card by Amazon EU S.?.r.l.
1% also reviewed:
The Hundred-Year-Old Man Who Climbed Out of the... by Jonas Jonasson
1,184 of the 9,731 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, 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
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.
-
- 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.