NONZERS Car Charger - Dual USB Port,Quick Charge,Universal Compatibility,Ultra Compact-Smart & Safe...
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Click a test to jump to details
FAIL
Suspicious Reviewers

FAIL
Reviewer Ease

WARN
Deleted Reviews

WARN
Word Count Comparison

WARN
Phrase Repetition

WARN
Reviewer Participation

PASS
Rating Trend

PASS
Unverified Purchases

PASS
Overlapping Review History

PASS
Brand Repeats

PASS
Skewed Helpfulness

PASS
Incentivized Reviews

Most Trusted Reviews
it was really great so I bought it, well this ... [Go to full review]
May 19, 2017
80%
TRUST
TRUST
-
Verified Purchaser
-
Contains repetitive phrases (
show)
-
Critical Reviewer (avg. rating: 4.1)
Least Trusted Reviews
I'm very pleased with this car charger, it features dual ... [Go to full review]
Jun 15, 2017
0%
TRUST
TRUST
-
Verified Purchaser
-
Overrepresented word count (72 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
133 of the 140 reviewers have only reviewed this product. This is an excessively large percentage of One-Hit Wonders which may indicate unnatural reviews.
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 5, 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.
5.0 Product's Average Ease Score
4.3 Category's Average Ease Score
Read more about our Reviewer Ease test.
Warn
Deleted Reviews

We discovered a total of 2 deleted reviews for this product, with an average rating of 5. Even though deleted reviews don't affect the average rating, the fact that action was taken to delete reviews raises some red flags about the integrity of the reviews for the product as whole.
5.0 average rating of deleted reviews
Read more about our Deleted Reviews test.
Warn
Word Count Comparison

-
- 67%
- 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 94 reviews (or 67%) are within an overrepresented word count group. This is an excessively high number of reviews in overrepresented word count groups.
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
2 reviews
(1.4%)
(1.4%)
2 reviews
(1.4%)
(1.4%)
20 reviews
(14.3%)
(14.3%)
2 reviews
(1.4%)
(1.4%)
5 reviews
(3.6%)
(3.6%)
2 reviews
(1.4%)
(1.4%)
2 reviews
(1.4%)
(1.4%)
8 reviews
(5.7%)
(5.7%)
2 reviews
(1.4%)
(1.4%)
2 reviews
(1.4%)
(1.4%)
57 of the 140 total reviews for this product use substantial repetitive phrases between them. This is an excessively large percentage which may indicate unnatural reviews.
Warn
Reviewer Participation

-
- 99%
- 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 139 reviewers (or 99%) are within an overrepresented participation group. This is an excessively high number of reviewers in overrepresented participation groups.
Pass
Rating Trend

-
- 0%
- Created on high-volume days
We counted 140 reviews for this product over the span of 31 days, an average of 4.5 reviews per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 12 or fewer reviews on any given day. We didn't find any days exceeding this threshold.
Read more about our Rating Trend test.
Read more about our Rating Trend test.
Pass
Unverified Purchases

-
- 0%
- Unverified Purchases
0 of the 140 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.
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

-
- 0%
- Substantial overlapping review history
0 of the 140 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.
Read more about our Overlapping Review History test.
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.
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.