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nonda USB-C to Mini DisplayPort Adapter 4K@60Hz 5K@60Hz UHD, Foldable USB 3.1 Type C (Thunderbolt...
More product info From nonda

Amazon Reviews for  nonda USB-C to Mini DisplayPort Adapter 4K@60Hz 5K@60Hz UHD, Foldable USB 3.1 Type C (Thunderbolt 3) to Mini DisplayPort Dongle
Rating:
10 Ratings
10 Reviews
("Ratings" vs. "Reviews")
10% of potentially unnatural reviews removed (why?)
Adjusted:
View/Edit Adjustment
Jump to Report Card

Report Card

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

Most Trusted Reviews

5/5
User did not leave written text for this review. [Go to full review]
Nov 8, 2017      
100% TRUST
  • Verified Purchaser
  • Overrepresented word count (0 words)
  • Take-Back Reviewer (4 deleted Reviews; avg. rating: 4.5)
  • Overlapping Review History: reviewed 2 of 9 top products
  • Easy Grader (avg. rating: 4.5)


Least Trusted Reviews

5/5
User did not leave written text for this review. [Go to full review]
Mar 20, 2018      
5% TRUST
  • Verified Purchaser
  • Overrepresented word count (0 words)
  • Single-Day Reviewer (posted all reviews on Mar 20, 2018)
  • Brand Monogamist (2 of 2 reviews for this brand; avg rating: 5.0)
  • Easy Grader (avg. rating: 5.0)


Analysis Details

Fail 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.

There are a few limitations to keep in mind regarding the Deleted Reviews test:
  1. We don't have a magic ability to collect every single deleted review; we can only identify reviews as deleted if we collect them on one date and then notice they are no longer visible on a subsequent date.
  2. We have no information on reviews that were never published in the first place.
  3. We also don't know why these reviews were removed. It could be action from the platform, personal decision by the review author, part of an entire account closure, even some data error on our part, etc.
Read more about our Deleted Reviews test.

5.0 average rating of deleted reviews

5.0


Show distribution of deleted reviews

Fail Brand Repeats

Brand Monogamists


1 of the 10 reviewers have reviewed multiple products, but only for this brand. This is an excessively large percentage of Brand Monogamists which may indicate unnatural reviews.

from Brand Monogamists

from Non-Monogamists


5.0
3.6


Read more about our Brand Repeats test.

Warn Rating Trend

  • 40%
  • Created over 2 days

We counted 10 reviews for this product over the span of 408 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.

However, we see the following 2 days exceeding this threshold:In total, we found that 4 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


3.8
3.7


Read more about our Rating Trend test.

Warn Suspicious Reviewers

One-Hit Wonders


1 of the 10 reviewers have only reviewed this product. While this is more One-Hit Wonders than we'd expect to see, it does not appear to have a significant impact on the overall rating.

from one-hit wonders

from reviewers with more than one review


1.0
4.0


Take-Back Reviewers


4 of the 10 reviewers have 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, it does not appear to have a significant impact on the overall rating.

from take-back reviewers

from reviewers without previously deleted reviews


3.3
4.0


Read more about our Suspicious Reviewers test.

Pass Unverified Purchases

2 of the 10 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


2.5
4.0


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.

Pass Word Count Comparison

  • 0%
  • 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 0 reviews (or 0%) are within an overrepresented word count group. 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 Word Count Comparison test.

Pass Phrase Repetition
  • 0%
  • Used substantial repetitive phrases
0 of the 10 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 Overlapping Review History

3 of the 10 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


4.7
3.3


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 4.1, while the average ease score for reviewers in this category is 4.3.

4.1 Product's Average Ease Score

4.3 Category's Average Ease Score


4.1
4.3


Read more about our Reviewer Ease 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. Check out our study showing that Incentivized Reviewers are much more likely to leave a positive review.