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From Kim Fielding
This report was last updated 5/22/2020.
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Report Info:
Note: We only analyze "reviews" and ignore one-tap "ratings".
Report Card
Pass Overall Grade
WARN Rating Trend
WARN Incentivized Reviews
WARN Brand Repeats
WARN Phrase Repetition
WARN Overlapping Review History
WARN Reviewer Participation
PASS Unverified Purchases
PASS Word Count Comparison
PASS Suspicious Reviewers
PASS Reviewer Ease
PASS Deleted Reviews
Most Trusted Reviews
It was a story with a very interesting premise. However, ... [Go to full review]
Sep 15, 2018
100%
TRUST
TRUST
- Verified Purchaser
- Brand Repeater (2 of 64 reviews for this brand; avg rating: 3.5)
- Critical Reviewer (avg. rating: 3.2)
Least Trusted Reviews
This review is for the audiobook read by K.C. Kelly.It's ... [Go to full review]
Mar 16, 2016
11%
TRUST
TRUST
- Unverified Purchaser
- Admitted to receiving an incentive
- Contains repetitive phrases (show)
- Brand Repeater (4 of 15 reviews for this brand; avg rating: 5.0)
- Overlapping Review History: reviewed 1 of 9 top products
- Overrepresented Participation (posted 15 Reviews)
- Easy Grader (avg. rating: 4.9)
Analysis Details
Warn Rating Trend
-
- 14%
- Created over 3 days
We counted 59 reviews for this product over the span of 2,288 days, an average of 0.0 reviews per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 1 or fewer reviews on any given day.
However, we see the following 3 days exceeding this threshold:In total, we found that 8 reviews were created on just 3 days. Although any days with a larger number of reviews than expected is suspicious, the discrepancy in ratings from reviews created on these high volume days and reviews created on other days isn't significant enough to rule out the possibility of it being due to random chance.
Warn Incentivized Reviews
On Oct 3, 2016, Amazon prohibited incentivized reviews, however we still test for them since there are still millions in our dataset.
3 of the 59 total reviews for this product admitted to receiving a free or discounted product in exchange for a review. While we could not find a statistically significant difference between the average rating of incentivized reviews and non-incentivized reviews, the presences of at least one incentivized review indicates that there may be more, since not all reviewers will disclose that they had received an incentive to post a 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.
Warn Brand Repeats
Brand Repeaters
21 of the 59 reviewers have reviewed other products for this brand. While this is more Brand Repeaters than we'd expect to see, the discrepancy in ratings between the Brand Repeaters and non-repeaters isn't significant enough to rule out the possibility of it being due to random chance.
Warn 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
3 reviews
(4.3/5)
(4.3/5)
3 reviews
(5.0/5)
(5.0/5)
5 reviews
(4.4/5)
(4.4/5)
2 reviews
(5.0/5)
(5.0/5)
4 reviews
(4.8/5)
(4.8/5)
2 reviews
(4.0/5)
(4.0/5)
2 reviews
(4.5/5)
(4.5/5)
7 reviews
(4.6/5)
(4.6/5)
2 reviews
(4.5/5)
(4.5/5)
4 reviews
(4.8/5)
(4.8/5)
31 of the 59 total reviews for this product use substantial repetitive phrases between them. This is an excessively large percentage which may indicate unnatural reviews.
Warn Overlapping Review History
Reviewers of this product have ALSO reviewed the following products:
14% also reviewed:
Bear, Otter, and the Kid by Klune Tj
14% also reviewed:
Elements of Retrofit (Thomas Elkin Book 1) by N.R. Walker
12% also reviewed:
Frat House Troopers by Brand: Dreamspinner Press
12% also reviewed:
Sinner's Gin (Sinners, #1) by Rhys Ford
12% also reviewed:
The Haunted Heart: Winter (Volume 1) by Josh Lanyon
12% also reviewed:
Black John (Johnnies Book 4) by Amy Lane
Does not include products
from the same brand
from the same brand
32 of the 59 reviewers have substantial overlapping product review history. While this is more than we'd expect to see, the discrepancy in ratings between these reviewers and reviewers who have a more unique product review history isn't significant enough to rule out the possibility of it being due to random chance.
Warn Reviewer Participation
-
- 42%
- 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 25 reviewers (or 42%) are within an overrepresented participation group. While this is more reviews from overrepresented participation groups than we'd expect to see, the discrepancy in ratings between reviewers in an overrepresented participation groups and all other reviewers isn’t significant enough to rule out the possibility of it being due to random chance.
Pass Unverified Purchases
22 of the 59 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
-
- 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 Suspicious Reviewers
One-Hit Wonders
We didn't detect a substantial amount of One Hit Wonders.
Never-Verified Reviewers
6 of the 59 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
14 of the 59 reviewers have had at least one of their past reviews for another product deleted. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.
Single-Day Reviewers
We didn't detect a substantial amount of Single-Day Reviewers.
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 4.4, while the average ease score for reviewers in this category is 4.4.
4.4 Product's Average Ease Score
4.4 Category's Average Ease Score
Read more about our Reviewer Ease test.
Pass 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.