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Mind Games
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From Kiersten White
This report was last updated 9/11/2017.
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Report Info:
Last Updated: Sep 11, 2017
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Note: We only analyze "reviews" and ignore one-tap "ratings".
Report Card
Warn Overall Grade
FAIL Suspicious Reviewers
WARN Rating Trend
WARN Unverified Purchases
WARN Phrase Repetition
WARN Overlapping Review History
WARN Reviewer Participation
PASS Word Count Comparison
PASS Reviewer Ease
PASS Brand Repeats
PASS Incentivized Reviews
PASS Deleted Reviews
Most Trusted Reviews
We're hope once lived , fear, anger, and remorse now ... [Go to full review]
Oct 10, 2014
100%
TRUST
TRUST
- Verified Purchaser
- Take-Back Reviewer (11 deleted Reviews; avg. rating: 4.9)
- Easy Grader (avg. rating: 4.9)
Least Trusted Reviews
I've heard a few mixed things about Mind Games and ... [Go to full review]
Sep 23, 2013
15%
TRUST
TRUST
- Unverified Purchaser
- Contains repetitive phrases (show)
- Take-Back Reviewer (1 deleted Review; avg. rating: 1.0)
- Overlapping Review History: reviewed 3 of 9 top products
- Overrepresented Participation (posted 177 Reviews)
- Easy Grader (avg. rating: 4.4)
Analysis Details
Fail Suspicious Reviewers
Take-Back Reviewers
42 of the 191 reviewers have had at least one of their past reviews for another product deleted. This is an excessively large percentage of Take-Back Reviewers which may indicate unnatural reviews.
Warn Rating Trend
-
- 15%
- Created over 7 days
We counted 191 reviews for this product over the span of 1,583 days, an average of 0.1 reviews per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 2 or fewer reviews on any given day.
However, we see the following 7 days exceeding this threshold:In total, we found that 28 reviews were created on just 7 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 Unverified Purchases
125 of the 191 total reviews for this product are unverified purchases. While this is a higher percentage of unverified purchases than we'd expect to see, it does not appear to have a significant impact on the overall rating.
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.
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
15 reviews
15 reviews
13 reviews
2 reviews
13 reviews
147 of the 191 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:
50% also reviewed:
Insurgent: Divergent, Book 2 by Veronica Roth
41% also reviewed:
The Hobbit by J. R. R. Tolkien
37% also reviewed:
Shatter Me by Tahereh Mafi
32% also reviewed:
The Complete Novels of Jane Austen (Knickerbocker... by Jane Austen
28% also reviewed:
Pivot Point by West, Kasie
27% also reviewed:
Cinder (The Lunar Chronicles Book 1) by Marissa Meyer
25% also reviewed:
Shadow and Bone (The Shadow and Bone Trilogy Book... by Leigh Bardugo
Does not include products
from the same brand
from the same brand
127 of the 191 reviewers have substantial overlapping product review history. While this is more than we'd expect to see, it does not appear to have a significant impact on the overall rating.
Warn Reviewer Participation
-
- 70%
- From reviewers with an overrepresented participation
We see the following 5 participation groups with a statistically significant greater concentration than what we'd expect to see:In total, we found that 133 reviewers (or 70%) are within an overrepresented participation group. This is an excessively high number of reviewers in overrepresented participation groups.
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 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 4.1, while the average ease score for reviewers in this category is 4.1.
4.1 Product's Average Ease Score
4.1 Category's Average Ease Score
Read more about our Reviewer Ease test.
Pass Brand Repeats
Brand Repeaters
6 of the 191 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
On Oct 3, 2016, Amazon prohibited incentivized reviews, however we still test for them since there are still millions in our dataset.
6 of the 191 total reviews for this product admitted to receiving a free or discounted product in exchange for a review. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.
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
- 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.