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Vansky® Led Retro TV Bias Light, Strisce Led Illuminazione Retro TV, Bianco Brillante... From Vansky Report Feedback

Fail Unnatural reviews detected

Original:

146 Reviews

Adjusted:

54 Reviews

Rank in: Uncategorized
80%
51%

View/Edit Adjustment
How is this calculated
Report Last Updated: Sep 2, 2017
Update Available
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Report Card

Click a test to jump to details

FAIL Phrase Repetition
WARN Rating Trend
WARN Unverified Purchases
WARN Suspicious Reviewers
WARN Word Count Comparison
PASS Overlapping Review History
PASS Reviewer Participation
PASS Reviewer Ease
PASS Brand Repeats
PASS Incentivized Reviews
PASS Deleted Reviews
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Most Trusted Reviews

Quando è acceso è molto bello, proprio come lo volevo, ... [Go to full review]
Apr 29, 2017      
100% TRUST
  • Verified Purchaser
  • Critical Reviewer (avg. rating: 4.1)


Least Trusted Reviews

5/5
è un prodotto che aiuta la visione della tele sopratutto ... [Go to full review]
Dec 15, 2016      
0% TRUST
  • Unverified Purchaser
  • Created on a high volume day
  • Overrepresented word count (26 words)
  • Contains repetitive phrases (show)
  • Never-Verified Reviewer
  • Easy Grader (avg. rating: 5.0)


Analysis Details


Fail Phrase Repetition


94 of the 146 total reviews for this product use substantial repetitive phrases between them. These reviewers have rated this product an average of 4.5 while reviews without substantial repetitive phrases 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.

from reviews with substantial repetitive phrases

from reviews without substantial repetitive phrases


4.5
4.2


Read more about our Phrase Repetition test.

Warn Rating Trend

  • 9%
  • Created over 3 days

We counted 146 reviews for this product over the span of 538 days, an average of 0.3 reviews per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 3 or fewer reviews on any given day.

However, we see the following 3 days exceeding this threshold:In total, we found that 13 reviews were created on just 3 days. Although any days with a larger number of reviews than expected is suspicious, these reviews do not appear to have a significant impact on the overall rating.

from reviews created on high volume days

from reviews created on normal volume days


4.4
4.4


Read more about our Rating Trend test.

Warn Unverified Purchases

96 of the 146 total reviews for this product are unverified purchases. While this is a higher percentage of unverified purchases than we'd expect to see, the discrepancy in ratings between the unverified purchases and verified purchases isn't significant enough to rule out the possibility of it being due to random chance.

from unverified purchasers

from verified purchases


4.5
4.2


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.

Warn Suspicious Reviewers

Never-Verified Reviewers


56 of the 146 reviewers have never written a verified purchase review. While this is more Never-Verified Reviewers than we'd expect to see, the discrepancy in ratings between the Never-Verified Reviewers and reviewers who have written at least one verified purchase review isn't significant enough to rule out the possibility of it being due to random chance.

from never-verified reviewers

from reviewers with at least one verified purchase review


4.4
4.3


Read more about our Suspicious Reviewers test.

Warn Word Count Comparison

  • 32%
  • 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 1 group with a statistically significant greater concentration than what we'd expect to see:In total, we found that 46 reviews (or 32%) are within an overrepresented word count group. While this is more reviews from overrepresented word count groups than we'd expect to see, these reviews do not appear to have a significant impact on the overall rating.

from reviews with an overrepresented word count

from reviews with a properly represented word count


4.3
4.4


Read more about our Word Count Comparison test.

Pass Overlapping Review History
Reviewers of this product have ALSO reviewed the following products:

1% also reviewed:
Asus ZenFone 3 Smartphone by

Does not include products
from the same brand


20 of the 146 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


4.6
4.3


Read more about our Overlapping Review History test.

Pass Reviewer Participation

  • 0%
  • From reviewers with an overrepresented participation
We didn't find any participation groups that had a statistically significant greater concentration than what we'd expect to see in this category.
Read more about our Reviewer Participation test.

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


4.2
4.3


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, 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.


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