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Maybelline New York - Vernis à Ongles Professionnel - Technologie Gel - Super Stay 7 Days - Teinte...
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From Maybelline New York
This report was last updated 1/2/2020.
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Report Card
Fail Overall Grade
FAIL Suspicious Reviewers
FAIL Word Count Comparison
WARN Reviewer Ease
WARN Phrase Repetition
PASS Rating Trend
PASS Unverified Purchases
PASS Overlapping Review History
PASS Reviewer Participation
PASS Brand Repeats
PASS Incentivized Reviews
PASS Deleted Reviews
Most Trusted Reviews
Ce vernis a une couleur super sympa. Il a un ... [Go to full review]
Oct 26, 2014
100%
TRUST
TRUST
- Unverified Purchaser
- Take-Back Reviewer (1 deleted Review; avg. rating: 4.0)
- Overlapping Review History: reviewed 2 of 9 top products
- Easy Grader (avg. rating: 4.1)
Least Trusted Reviews
Très jolie couleur et tient très bien [Go to full review]
Dec 13, 2019
11%
TRUST
TRUST
- Verified Purchaser
- Overrepresented word count (9 words)
- Contains repetitive phrases (show)
- Overrepresented Participation (posted 8 Reviews)
- Easy Grader (avg. rating: 4.9)
Analysis Details
Fail Suspicious Reviewers
Never-Verified Reviewers
3 of the 174 reviewers have never written a verified purchase review. The Never-Verified Reviewers have rated this product an average of 2.7 while the reviewers who have written at least one verified purchase review rated this product an average of 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.
Fail Word Count Comparison
-
- 30%
- Have an overrepresented word count
In the graph above, we can see the distribution of review word counts for this product and the expected distribution for this category. We see the following 2 groups with a statistically significant greater concentration than what we'd expect to see:In total, we found that 53 reviews (or 30%) are within an overrepresented word count group. These reviews have rated this product an average of 4.5, while all other reviews have rated this product an average of 4.0. 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 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. While this discrepancy is rather large, it is not quite large enough to rule out the possibility of it being due random chance.
4.3 Product's Average Ease Score
4.0 Category's Average Ease Score
Read more about our Reviewer Ease 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
(4.7/5)
(4.7/5)
pour ma part le vernis me dur environ 5-6 jours avec un base et une couche de protection.sèche assez
2 reviews
(4.5/5)
(4.5/5)
7 reviews
(4.7/5)
(4.7/5)
2 reviews
(5.0/5)
(5.0/5)
5 reviews
(4.8/5)
(4.8/5)
2 reviews
(5.0/5)
(5.0/5)
4 reviews
(4.5/5)
(4.5/5)
2 reviews
(5.0/5)
(5.0/5)
4 reviews
(4.3/5)
(4.3/5)
75 of the 174 total reviews for this product use substantial repetitive phrases between them. This is an excessively large percentage which may indicate unnatural reviews.
Pass Rating Trend
-
- 3%
- Created over 2 days
We counted 174 reviews for this product over the span of 2,136 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 2 days exceeding this threshold:In total, we found that 6 reviews were created on just 2 days. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.
Pass Unverified Purchases
9 of the 174 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 Overlapping Review History
Reviewers of this product have ALSO reviewed the following products:
2% also reviewed:
Maybelline New York - Mascara Volume - Rocket -... by Maybelline New York
2% also reviewed:
Monsieur Bébé Chaise haute enfant pliable,... by Monsieur Bébé
1% also reviewed:
Ardes - ARD.M240 - Masseur - Anti-Cellulite -... by Ardes
1% also reviewed:
Casque Gaming PS4 KINGTOP KG2000 Écouteur Gamer... by KINGTOP
1% also reviewed:
UniqOne Masque en Spray sans Rinçage pour Tous... by Revlon Professional
1% also reviewed:
Asmodee Jeux d'ambiance - Dobble by Asmodée
1% also reviewed:
Palette Fard À Paupière Maquillage Yeux by Lamora
Does not include products
from the same brand
from the same brand
24 of the 174 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 Reviewer Participation
-
- 19%
- 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 33 reviewers (or 19%) are within an overrepresented participation group. 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 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.
1 of the 174 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.