Standard of Honour
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From Harper
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Most Trusted Reviews
TRUST
- Verified Purchaser
- Overlapping Review History: reviewed 4 of 9 top products
- Critical Reviewer (avg. rating: 4.4)
Least Trusted Reviews
TRUST
- Unverified Purchaser
- Contains repetitive phrases (show)
- Overlapping Review History: reviewed 1 of 9 top products
- Overrepresented Participation (posted 5 Reviews)
- Critical Reviewer (avg. rating: 1.8)
Analysis Details
11 of the 40 total reviews for this product are unverified purchases. The unverified purchasers have rated this product an average of 3.6 while the verified purchasers have rated this product an average of 4.6. 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.
9 of the 40 total reviews for this product use substantial repetitive phrases between them. These reviewers have rated this product an average of 3.4 while reviews without substantial repetitive phrases rated this product an average of 4.6. 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.
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- 80%
- 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 32 reviewers (or 80%) are within an overrepresented participation group. This is an excessively high number of reviewers in overrepresented participation groups.
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- 0%
- Created on high-volume days
Read more about our Rating Trend test.
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- 0%
- Have an overrepresented word count
Read more about our Word Count Comparison test.
One-Hit Wonders
Never-Verified Reviewers
6 of the 40 reviewers have never written a verified purchase review. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.
Take-Back Reviewers
Single-Day Reviewers
4 of the 40 reviewers have written multiple reviews but posted all of them on a single day. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.
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10% also reviewed:
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8% also reviewed:
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8% also reviewed:
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5% also reviewed:
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5% also reviewed:
The Hundred-Year-Old Man Who Climbed Out of the... by Jonas Jonasson
5% also reviewed:
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5% also reviewed:
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19 of the 40 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.
4.4 Product's Average Ease Score
4.4 Category's Average Ease Score
Read more about our Reviewer Ease test.
Brand Repeaters
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- 0%
- Admitted to receiving an incentive
Read more about our Incentivized Reviews test. Check out our study showing that Incentivized Reviewers are much more likely to leave a positive review.
- 0
- Reviews have been deleted
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.