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HOFISH 2 Inches Gel Infused Memory Foam Mattress Topper, CertiPUR-US Certified Foam, King
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From HOFISH
This report was last updated 12/8/2019.
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Report Info:
Note: We only analyze "reviews" and ignore one-tap "ratings".
Report Card
Warn Overall Grade
FAIL Unverified Purchases
FAIL Phrase Repetition
FAIL Overlapping Review History
FAIL Reviewer Participation
WARN Deleted Reviews
WARN Rating Trend
PASS Word Count Comparison
PASS Suspicious Reviewers
PASS Reviewer Ease
PASS Brand Repeats
PASS Incentivized Reviews
Most Trusted Reviews
Day 1 of having this product: currently almost 1am trying ... [Go to full review]
Aug 21, 2019
100%
TRUST
TRUST
- Verified Purchaser
- Take-Back Reviewer (1 deleted Review; avg. rating: 1.0)
- Critical Reviewer (avg. rating: 3.7)
Least Trusted Reviews
I am totally spoiled by this bed. Sleeping deeper than ... [Go to full review]
Nov 29, 2017
0%
TRUST
TRUST
- Unverified Purchaser
- Contains repetitive phrases (show)
- Overrepresented Participation (posted 6 Reviews)
- Critical Reviewer (avg. rating: 3.7)
Analysis Details
Fail Unverified Purchases
5 of the 153 total reviews for this product are unverified purchases. The unverified purchasers have rated this product an average of 2.6 while the verified purchasers have 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.
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.
Fail 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
(5.0/5)
(5.0/5)
2 reviews
(5.0/5)
(5.0/5)
9 reviews
(4.7/5)
(4.7/5)
9 reviews
(4.9/5)
(4.9/5)
15 reviews
(4.8/5)
(4.8/5)
2 reviews
(5.0/5)
(5.0/5)
2 reviews
(5.0/5)
(5.0/5)
6 reviews
(4.8/5)
(4.8/5)
8 reviews
(4.8/5)
(4.8/5)
8 reviews
(4.5/5)
(4.5/5)
50 of the 153 total reviews for this product use substantial repetitive phrases between them. These reviewers have rated this product an average of 4.8 while reviews without substantial repetitive phrases rated this product an average of 4.5. 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
Reviewers of this product have ALSO reviewed the following products:
3% also reviewed:
Echo Dot (2nd Generation) - Smart speaker with... by Amazon
3% also reviewed:
LUCID 10 Inch Gel Memory Foam Mattress - Medium... by LUCID
3% also reviewed:
Classic Brands Cool Gel Ventilated Gel Memory... by Classic Brands
2% also reviewed:
The Man In The High Castle - Season 1 (4K UHD) by Alexa Davalos
2% also reviewed:
Zinus 6 Inch Ultima Memory Foam Mattress /... by Zinus
2% also reviewed:
Classic Brands Cool Gel Ultimate Gel Memory Foam... by Classic Brands
2% also reviewed:
Classic Brands Sutton Cool Gel Memory Foam and... by Classic Brands
Does not include products
from the same brand
from the same brand
26 of the 153 reviewers have substantial overlapping product review history. These reviewers have rated this product an average of 4.9 while the reviewers who have a more unique product review history rated this product an average of 4.5. 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 Reviewer Participation
-
- 44%
- From reviewers with an overrepresented participation
We see the following 1 participation group with a statistically significant greater concentration than what we'd expect to see:In total, we found that 68 reviewers (or 44%) are within an overrepresented participation group. These reviews have rated this product an average of 4.8, while all other reviews have rated this product an average of 4.4. 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 Deleted Reviews
We discovered a total of 1 deleted Review for this product, with an average rating of 5. 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.
Warn Rating Trend
-
- 14%
- Created over 5 days
We counted 153 reviews for this product over the span of 1,559 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 5 days exceeding this threshold:In total, we found that 22 reviews were created on just 5 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.
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
7 of the 153 reviewers have only reviewed this product. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.
Never-Verified Reviewers
2 of the 153 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
36 of the 153 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
3 of the 153 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.
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 4.2, while the average ease score for reviewers in this category is 4.3.
4.2 Product's Average Ease Score
4.3 Category's Average Ease Score
Read more about our Reviewer Ease test.
Pass Brand Repeats
Brand Repeaters
We didn't detect a substantial amount of Brand Repeaters.
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.
-
- 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.