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How the Light Gets In: A Chief Inspector Gamache Novel
More product info
From Penny, Louise/ Cosham, Ralph (NRT)
This report was last updated 6/3/2017.
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Report Info:
Last Updated: Jun 3, 2017
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Note: We only analyze "reviews" and ignore one-tap "ratings".
Report Card
Pass Overall Grade
FAIL 
Reviewer Ease
Reviewer EaseFAIL Phrase Repetition
Phrase RepetitionWARN Rating Trend
Rating TrendWARN Suspicious Reviewers
Suspicious ReviewersWARN Reviewer Participation
Reviewer ParticipationPASS Unverified Purchases
Unverified PurchasesPASS Word Count Comparison
Word Count ComparisonPASS Overlapping Review History
Overlapping Review HistoryPASS Brand Repeats
Brand RepeatsPASS Incentivized Reviews
Incentivized ReviewsPASS Deleted Reviews
Deleted Reviews
Most Trusted Reviews
good book [Go to full review]
Oct 31, 2014
100%
TRUST
TRUST
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Verified Purchaser
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Take-Back Reviewer (3 deleted Reviews; avg. rating: 4.3) -
Overlapping Review History: reviewed 1 of 9 top products -
Critical Reviewer (avg. rating: 4.0)
Least Trusted Reviews
"How the Light Gets In" gives us two plots: the ... [Go to full review]
Sep 9, 2013
20%
TRUST
TRUST
-
Verified Purchaser
-
Created on a high volume day -
Contains repetitive phrases (
show)
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Take-Back Reviewer (1 deleted Review; avg. rating: 5.0)
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Brand Repeater (2 of 49 reviews for this brand; avg rating: 4.5) -
Overlapping Review History: reviewed 1 of 9 top products
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Overrepresented Participation (posted 49 Reviews) -
Critical Reviewer (avg. rating: 3.9)
Analysis Details
Fail 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 4.3, while the average ease score for reviewers in this category is 4.3. 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.
4.3 Product's Average Ease Score
4.3 Category's Average Ease Score
Read more about our Reviewer Ease test.
Fail Phrase Repetition
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:
Show MoreShow Less
93 reviews
46 reviews
70 reviews
55 reviews
76 reviews
28 reviews
33 reviews
69 reviews
62 reviews
32 reviews
297 of the 2,273 total reviews for this product use substantial repetitive phrases between them. These reviewers have rated this product an average of 4.9 while reviews without substantial repetitive phrases rated this product an average of 4.7. 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 Rating Trend
Rating Trend
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- 31%
- Created over 38 days
We counted 2,273 reviews for this product over the span of 1,433 days, an average of 1.6 reviews per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 7 or fewer reviews on any given day.
However, we see the following 38 days exceeding this threshold:In total, we found that 694 reviews were created on just 38 days. This is an excessively high number of reviews submitted on these high volume days.
Warn Suspicious Reviewers
Suspicious Reviewers
Take-Back Reviewers
107 of the 2,273 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, the discrepancy in ratings between the Take-Back Reviewers and reviewers who don't have any deleted reviews in their history 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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- 90%
- 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 2049 reviewers (or 90%) are within an overrepresented participation group. This is an excessively high number of reviewers in overrepresented participation groups.
Pass Unverified Purchases
Unverified Purchases
267 of the 2,273 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 Overlapping Review History
Overlapping Review History
Reviewers of this product have ALSO reviewed the following products:
10% also reviewed:
A Great Reckoning: A Novel (Chief Inspector... by Louise Penny
7% also reviewed:
A Fatal Grace: A Chief Inspector Gamache Novel by Penny, Louise
6% also reviewed:
The Girl on the Train: A Novel by Paula Hawkins
5% also reviewed:
The Cuckoo's Calling (A Cormoran Strike Novel) by Robert Galbraith
5% also reviewed:
All the Light We Cannot See: A Novel by Anthony Doerr
4% also reviewed:
The Nightingale: A Novel by Kristin Hannah
733 of the 2,273 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 Brand Repeats
Brand Repeats
Brand Repeaters
112 of the 2,273 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.
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.
Pass Deleted Reviews
Deleted Reviews
- 0
- Reviews have been deleted
We have not discovered any deleted reviews for this product.
There are a few limitations to keep in mind regarding the Deleted Reviews test:
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.