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NONZERS Dual USB Wall Charger - Ultra Portable,Fast Charge,Universal Compatibility,Smart IC... From NONZERS Report Feedback

Fail Unnatural reviews detected

Original:

69 Reviews

Adjusted:

9 Reviews

Rank in: Wall Chargers
96%
61%

View/Edit Adjustment
How is this calculated
Report Last Updated: Aug 30, 2017
Update Available
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Report Card

Click a test to jump to details

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

I was trying to find something inexpensive for work, but ... [Go to full review]
Jul 17, 2017      
90% TRUST
  • Verified Purchaser
  • Overrepresented word count (30 words)
  • Easy Grader (avg. rating: 5.0)


Least Trusted Reviews

Works well. Well made. I like the size. It is ... [Go to full review]
Jun 27, 2017      
0% TRUST
  • Verified Purchaser
  • Created on a high volume day
  • Overrepresented word count (41 words)
  • Contains repetitive phrases (show)
  • One-Hit Wonder
  • Overrepresented Participation (posted 1 review)
  • Easy Grader (avg. rating: 5.0)


Analysis Details


Fail Suspicious Reviewers

One-Hit Wonders


53 of the 69 reviewers have only reviewed this product. This is an excessively large percentage of One-Hit Wonders which may indicate unnatural reviews.

from one-hit wonders

from reviewers with more than one review


4.9
4.5


Take-Back Reviewers


1 of the 69 reviewers has 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, the discrepancy in ratings between the Take-Back Reviewers and reviewers who don't have any deleted reviews in their history isn't significant enough to rule out the possibility of it being due to random chance.

from take-back reviewers

from reviewers without previously deleted reviews


5.0
4.8


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 4.3. 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

4.3 Category's Average Ease Score


4.9
4.3


Read more about our Reviewer Ease test.


Fail Reviewer Participation

  • 93%
  • 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 64 reviewers (or 93%) are within an overrepresented participation group. These reviews have rated this product an average of 4.9, while all other reviews have rated this product an average of 3.4. 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


4.9
3.4


Read more about our Reviewer Participation test.

Warn Rating Trend

  • 12%
  • Created over 1 day

We counted 69 reviews for this product over the span of 65 days, an average of 1.1 reviews per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 6 or fewer reviews on any given day.

However, we see the following 1 day exceeding this threshold:In total, we found that 8 reviews were created on just 1 day. Although any days with a larger number of reviews than expected is suspicious, the discrepancy in ratings from reviews created on these high volume days and reviews created on other days isn't significant enough to rule out the possibility of it being due to random chance.

from reviews created on high volume days

from reviews created on normal volume days


5.0
4.8


Read more about our Rating Trend test.

Warn Word Count Comparison

  • 88%
  • 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 3 groups with a statistically significant greater concentration than what we'd expect to see:In total, we found that 61 reviews (or 88%) are within an overrepresented word count group. This is an excessively high number of reviews in overrepresented word count groups.

from reviews with an overrepresented word count

from reviews with a properly represented word count


4.9
4.4


Read more about our Word Count Comparison 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 Titles:
2 reviews
2 reviews
2 reviews


30 of the 69 total reviews for this product use substantial repetitive phrases between them. This is an excessively large percentage which may indicate unnatural reviews.

from reviews with substantial repetitive phrases

from reviews without substantial repetitive phrases


4.8
4.8


Read more about our Phrase Repetition test.

Pass Unverified Purchases

1 of the 69 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.

from unverified purchasers

from verified purchases


5.0
4.8


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:



1 of the 69 reviewers has 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
4.8


Read more about our Overlapping Review History 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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