Browser Extensions 

[Lot de 2] Verre Trempé pour Huawei P10, Automne Protection d'écran Flim Protecteur... From Automne Report Feedback

Fail Unnatural reviews detected

Original:

32 Reviews

Adjusted:

Insufficient trustworthy reviews

Rank in: Informatique
99%
1%

View/Edit Adjustment
How is this calculated
Report Last Updated: Dec 22, 2017
Update Available
Advertisement (Support us to Hide Ads)

Report Card

Click a test to jump to details

FAIL Unverified Purchases
FAIL Suspicious Reviewers
FAIL Reviewer Ease
FAIL Word Count Comparison
FAIL Phrase Repetition
FAIL Reviewer Participation
WARN Rating Trend
PASS Overlapping Review History
PASS Brand Repeats
PASS Skewed Helpfulness
PASS Incentivized Reviews
PASS Deleted Reviews
Advertisement (Support us to Hide Ads)

Most Trusted Reviews

We couldn't find any quality reviews

Least Trusted Reviews

Je suis tres contente d'avoir achete cet produit! C'est un ... [Go to full review]
Nov 20, 2017      
0% TRUST
  • Unverified Purchaser
  • Created on a high volume day
  • Overrepresented word count (71 words)
  • Contains repetitive phrases (show)
  • Never-Verified Reviewer
  • Overlapping Review History: reviewed 1 of 9 top products
  • Overrepresented Participation (posted 3 reviews)
  • Easy Grader (avg. rating: 5.0)


Analysis Details


Fail Unverified Purchases

31 of the 32 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 1.0. 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.

from unverified purchasers

from verified purchases


5.0
1.0


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 Suspicious Reviewers

Never-Verified Reviewers


31 of the 32 reviewers have never written a verified purchase review. The Never-Verified Reviewers have rated this product an average of 5.0 while the reviewers who have written at least one verified purchase review rated this product an average of 1.0. 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.

from never-verified reviewers

from reviewers with at least one verified purchase review


5.0
1.0


Read more about our Suspicious Reviewers test.

Fail 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 4.9, 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.

4.9 Product's Average Ease Score

4.2 Category's Average Ease Score


4.9
4.2


Read more about our Reviewer Ease test.


Fail Word Count Comparison

  • 91%
  • 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 29 reviews (or 91%) are within an overrepresented word count group. These reviews have rated this product an average of 5.0, while all other reviews have rated this product an average of 3.7. 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.

from reviews with an overrepresented word count

from reviews with a properly represented word count


5.0
3.7


Read more about our Word Count Comparison 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:
3 reviews
(9.4%)
2 reviews
(6.3%)
7 reviews
(21.9%)
9 reviews
(28.1%)
6 reviews
(18.8%)
3 reviews
(9.4%)
2 reviews
(6.3%)
5 reviews
(15.6%)
3 reviews
(9.4%)
3 reviews
(9.4%)
Show MoreShow Less
Common Phrases in Titles:
3 reviews
(9.4%)
2 reviews
(6.3%)
3 reviews
(9.4%)


24 of the 32 total reviews for this product use substantial repetitive phrases between them. These reviewers have rated this product an average of 5.0 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.

from reviews with substantial repetitive phrases

from reviews without substantial repetitive phrases


5.0
4.5


Read more about our Phrase Repetition test.

Fail Reviewer Participation

  • 91%
  • 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 29 reviewers (or 91%) are within an overrepresented participation group. These reviews have rated this product an average of 5.0, while all other reviews have rated this product an average of 3.7. 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.

From reviewers with an overrepresented participation

From reviewers with a properly represented participation


5.0
3.7


Read more about our Reviewer Participation test.

Warn Rating Trend

  • 53%
  • Created over 2 days

We counted 32 reviews for this product over the span of 32 days, an average of 1.0 review per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 5 or fewer reviews on any given day.

However, we see the following 2 days exceeding this threshold:In total, we found that 17 reviews were created on just 2 days. This is an excessively high number of reviews submitted on these high volume days.

from reviews created on high volume days

from reviews created on normal volume days


5.0
4.7


Read more about our Rating Trend test.

Pass Overlapping Review History


6 of the 32 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.

from reviewers with substantial overlapping history

from reviewers without a substantial overlapping history


5.0
4.9


Read more about our Overlapping Review History test.

Pass Brand Repeats

Brand Repeaters

We didn't detect a substantial amount of Brand Repeaters.

Pass Skewed Helpfulness
We examined the average net helpfulness score of negative reviews against the average net helpfulness score of positive reviews. The net helpfulness score is the number of times a review has been marked as helpful minus the number of times a review has been marked as unhelpful. We could not find any statistically significant difference in average net helpfulness score between the negative reviews and positive reviews.

0.0 average net helpfulness for positive reviews

0.0 average net helpfulness for negative reviews


Read more about our Skewed Helpfulness test.


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, or 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.
Read more about our Deleted Reviews test.