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720gsm Ultra Thick Microfibre Car Cleaning Cloths Car valet polish products Fast Drying Auto...
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This report was last updated 8/30/2017.
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Report Info:
Last Updated: Aug 30, 2017
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Note: We only analyze "reviews" and ignore one-tap "ratings".
Top products in Sponges, Cloths & Brushes with authentic reviews:
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Pass Overall Grade
FAIL 
Unverified Purchases
Unverified PurchasesFAIL Reviewer Ease
Reviewer EaseWARN Suspicious Reviewers
Suspicious ReviewersWARN Reviewer Participation
Reviewer ParticipationPASS Rating Trend
Rating TrendPASS Word Count Comparison
Word Count ComparisonPASS Phrase Repetition
Phrase RepetitionPASS Overlapping Review History
Overlapping Review HistoryPASS Brand Repeats
Brand RepeatsPASS Incentivized Reviews
Incentivized ReviewsPASS Deleted Reviews
Deleted Reviews
Most Trusted Reviews
good [Go to full review]
May 19, 2017
100%
TRUST
TRUST
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Verified Purchaser
-
Overlapping Review History: reviewed 3 of 9 top products -
Critical Reviewer (avg. rating: 3.8)
Least Trusted Reviews
Amazingly thick microfiber cloth which has already been used to ... [Go to full review]
Jan 1, 2017
0%
TRUST
TRUST
-
Unverified Purchaser
-
Take-Back Reviewer (3 deleted Reviews; avg. rating: 5.0) -
Easy Grader (avg. rating: 4.8)
Analysis Details
Fail Unverified Purchases
Unverified Purchases
20 of the 421 total reviews for this product are unverified purchases. The unverified purchasers have rated this product an average of 5.0 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 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 4.5, while the average ease score for reviewers in this category is 4.2. 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.
4.5 Product's Average Ease Score
4.2 Category's Average Ease Score
Read more about our Reviewer Ease test.
Warn Suspicious Reviewers
Suspicious Reviewers
Take-Back Reviewers
15 of the 421 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, it does not appear to have a significant impact on the overall rating.
Warn Reviewer Participation
Reviewer Participation
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- 74%
- 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 312 reviewers (or 74%) are within an overrepresented participation group. This is an excessively high number of reviewers in overrepresented participation groups.
Pass Rating Trend
Rating Trend
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- 0%
- Created on high-volume days
We counted 421 reviews for this product over the span of 1,026 days, an average of 0.4 reviews per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 4 or fewer reviews on any given day. We didn't find any days exceeding this threshold.
Read more about our Rating Trend test.
Read more about our Rating Trend test.
Pass Word Count Comparison
Word Count Comparison
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- 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 Phrase Repetition
Phrase Repetition
Reviews that contain one of these phrases are NOT necessarily devalued; read more about how this test works here.
6 of the 421 total reviews for this product use substantial repetitive phrases between them. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.
Pass Overlapping Review History
Overlapping Review History
Reviewers of this product have ALSO reviewed the following products:
5% also reviewed:
Fire TV Stick with Voice Remote | Streaming Media... by Amazon
5% also reviewed:
Kent Car Care GKEQ2429 Microfibre Noodle Wash... by Kent Car Care
5% also reviewed:
Kent Car Care GKEQ6100 Microfibre Drying Towel... by Kent Car Care
4% also reviewed:
12pcs Waxing Polish Wax Foam Sponge Applicator... by Broadfashion
3% also reviewed:
Autoglym Instant Tyre Dressing, 500ml - Spray-on... by Autoglym
3% also reviewed:
Snow Foam Lance Karcher Connector with 500ml of... by Autobrite Direct LTD
2% also reviewed:
BRITA MAXTRA Water Filter Cartridges - Pack of 6 by BRITA
2% also reviewed:
Spear & Jackson 5 Litre Pump Action... by Spear & Jackson
2% also reviewed:
SanDisk SDSQUNC-032G-GN6MA Ultra 32 GB MicroSDHC... by SanDisk
95 of the 421 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.
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.
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- 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.
Pass Deleted Reviews
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.