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WonderSleep Dream Rite Shredded Memory Foam Pillow Series Luxury Adjustable Loft Home Pillow Hotel...
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From WonderSleep
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Note: We only analyze "reviews" and ignore one-tap "ratings".
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Warn Overall Grade
FAIL 
Deleted Reviews
Deleted ReviewsFAIL Phrase Repetition
Phrase RepetitionFAIL Overlapping Review History
Overlapping Review HistoryWARN Suspicious Reviewers
Suspicious ReviewersPASS Rating Trend
Rating TrendPASS Unverified Purchases
Unverified PurchasesPASS Word Count Comparison
Word Count ComparisonPASS Reviewer Ease
Reviewer EasePASS Brand Repeats
Brand RepeatsPASS Incentivized Reviews
Incentivized ReviewsN/A Reviewer Participation
Reviewer Participation
Most Trusted Reviews
I have used other shredded memory foam pillows for neck ... [Go to full review]
Feb 15, 2023
100%
TRUST
TRUST
-
Unverified Purchaser
-
Critical Reviewer (avg. rating: 2.6)
One-Hit Wonder
Least Trusted Reviews
Came nicely packaged. It took about 30 mins for it ... [Go to full review]
Dec 4, 2017
0%
TRUST
TRUST
-
Verified Purchaser -
Created on a high volume day
-
Take-Back Reviewer (1 deleted Review; avg. rating: 5.0) -
Overlapping Review History: reviewed 2 of 9 top products -
Overrepresented Participation (posted 11 Reviews) -
Easy Grader (avg. rating: 4.9)
Analysis Details
Fail Deleted Reviews
Deleted Reviews
We discovered a total of 603 deleted Reviews for this product, with an average rating of 4.3. 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.
4.3 average rating of deleted 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.
Common Phrases in Reviews:
Show MoreShow Less
~8% of reviews
(4.4/5)
(4.4/5)
~3% of reviews
(5.0/5)
(5.0/5)
~3% of reviews
(5.0/5)
(5.0/5)
~3% of reviews
(5.0/5)
(5.0/5)
~5% of reviews
(4.7/5)
(4.7/5)
~3% of reviews
(5.0/5)
(5.0/5)
~3% of reviews
(5.0/5)
(5.0/5)
~5% of reviews
(5.0/5)
(5.0/5)
~5% of reviews
(5.0/5)
(5.0/5)
~3% of reviews
(5.0/5)
(5.0/5)
Approximately 25% of reviews 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 4.1. 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 Overlapping Review History
Overlapping Review History
Reviewers of this product have ALSO reviewed the following products:
~20% also reviewed:
Purity True Wireless Earbuds with Immersive... by Purity
~20% also reviewed:
Maxboost DuraHold Series Car Phone Mount for... by Maxboost
<10% also reviewed:
Nintendo Switch Screen Protector, Maxboost [Works... by Maxboost
<10% also reviewed:
Maxboost (3 Pack) Edge-to-Edge Screen Protector... by Maxboost
<10% also reviewed:
Maxboost Protective Face Shield - 3 Pack Adult... by Maxboost
<10% also reviewed:
Purity True Wireless Earbuds One Pro with... by Purity
<10% also reviewed:
Maxboost Screen Protector for Apple iPhone Xs... by Maxboost
<10% also reviewed:
SUNCOO Face Mask, Pack of 50 - Disposable Face... by SUNCOO
<10% also reviewed:
XDesign HyperPro Series Designed for Apple iPhone... by XDesign
Approximately 30% of reviewers have substantial overlapping product review history. These reviewers have rated this product an average of 4.8 while the reviewers who have a more unique product review history rated this product an average of 4.1. 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 Suspicious Reviewers
Suspicious Reviewers
Take-Back Reviewers
Approximately 35% of 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.
Pass Rating Trend
Rating Trend
We didn't notice any signals that would indicate reviews were created unevenly over time.
Read more about our Rating Trend test.
Read more about our Rating Trend test.
Pass Unverified Purchases
Unverified Purchases
108 of the 20,632 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
-
- <10%
- 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
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.
4.3 Product's Average Ease Score
4.3 Category's Average Ease Score
Read more about our Reviewer Ease test.
Pass Brand Repeats
Brand Repeats
Brand Repeaters
We didn't detect a substantial amount of Brand Repeaters.
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.
Less than approximately 10% of reviews 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.