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Car Charger,ivolks 2.1A Dual USB Ports Car Charger With Car Escape Emergency Safety Hammer Function... From IVOLKS Report Feedback

Fail Unnatural reviews detected

Original:

4 Reviews

Adjusted:

1 Review

37%
47%

View/Edit Adjustment
How is this calculated
Report Last Updated: Aug 20, 2017
Update Available
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Report Card

Click a test to jump to details

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

Simple - did not work. Didn't do anything. Looks shiny. ... [Go to full review]
Jun 16, 2016      
65% TRUST
  • Verified Purchaser
  • Single-Day Reviewer (posted all reviews on Jun 16, 2016)
  • Critical Reviewer (avg. rating: 2.6)


Least Trusted Reviews

Mine is the gold colored charger. On receiving it I ... [Go to full review]
Apr 30, 2016      
10% TRUST
  • Unverified Purchaser
  • Admitted to receiving an incentive
  • Take-Back Reviewer (35 deleted reviews; avg. rating: 4.8)
  • Brand Repeater (2 of 129 reviews for this brand; avg rating: 4.5)
  • Overlapping Review History: reviewed 4 of 9 top products
  • Easy Grader (avg. rating: 4.4)


Analysis Details


Fail Suspicious Reviewers

Take-Back Reviewers


3 of the 4 reviewers have had at least one of their past reviews for another product deleted. This is an excessively large percentage of Take-Back Reviewers which may indicate unnatural reviews.

from take-back reviewers

from reviewers without previously deleted reviews


5.0
1.0


Single-Day Reviewers


1 of the 4 reviewers has written multiple reviews but posted all of them on a single day. While this is more Single-Day Reviewers than we'd expect to see, it does not appear to have a significant impact on the overall rating.

from single-day reviewers

from non-single-day reviewers


1.0
5.0


Read more about our Suspicious Reviewers test.

Warn Unverified Purchases

3 of the 4 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


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.

Warn Incentivized Reviews
On Oct 3, 2016, Amazon prohibited incentivized reviews, however we still test for them since there are still millions in our dataset.


2 of the 4 total reviews for this product admitted to receiving a free or discounted product in exchange for a review. This is an excessively large percentage of incentivized reviews which may indicate unnatural reviews.

from incentivized reviews

from non-incentivized reviews


5.0
3.0


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.

Warn Brand Repeats

Brand Repeaters


2 of the 4 reviewers have reviewed other products for this brand. While this is more Brand Repeaters than we'd expect to see, the discrepancy in ratings between the Brand Repeaters and non-repeaters isn't significant enough to rule out the possibility of it being due to random chance.

from Brand Repeaters

from Non-Repeaters


5.0
3.0


Read more about our Brand Repeats test.

Warn Overlapping Review History
Does not include products
from the same brand


3 of the 4 reviewers have substantial overlapping product review history. This is an excessively large percentage which may indicate unnatural reviews.

from reviewers with substantial overlapping history

from reviewers without a substantial overlapping history


5.0
1.0


Read more about our Overlapping Review History test.

Pass Rating Trend

  • 0%
  • Created on high-volume days
We counted 4 reviews for this product over the span of 183 days, an average of 0.0 reviews per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 1 or fewer reviews on any given day. We didn't find any days exceeding this threshold.
Read more about our Rating Trend test.

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.

Pass 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:
2 reviews
(50.0%)
2 reviews
(50.0%)

  • 0%
  • Used substantial repetitive phrases
0 of the 4 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.
Read more about our Phrase Repetition 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 4.2.

4.2 Product's Average Ease Score

4.2 Category's Average Ease Score


4.2
4.2


Read more about our Reviewer Ease test.


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 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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