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More product info From Amazon

80% of potentially unnatural reviews removed (why?)
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Last Updated: Jun 13, 2020
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Note: While Amazon.de claims 16,153 Reviews, we counted 16,261 available on their site.
Note: We only analyze "reviews" and ignore one-tap "ratings".

Report Card

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

Most Trusted Reviews

Alle 15-30 Min. ein Tonaussetzer! Amazon sollte da schnell mit ... [Go to full review]
Nov 19, 2018      
59% TRUST
  • Verified Purchaser
  • One-Hit Wonder
  • Overrepresented Participation (posted 1 Review)
  • Critical Reviewer (avg. rating: 2.0)


Least Trusted Reviews

 - Funktioniert ÄLTERE GERÄTE zu SMART TV’s um.- Bietet eine ... [Go to full review]
Nov 19, 2018      
19% TRUST
  • Verified Purchaser
  • Take-Back Reviewer (3 deleted Reviews; avg. rating: 4.3)
  • Brand Repeater (4 of 52 reviews for this brand; avg rating: 5.0)
  • Easy Grader (avg. rating: 4.7)


Analysis Details

Fail Rating Trend

  • 40%
  • Created over 77 days

We counted 16,261 reviews for this product over the span of 571 days, an average of 28.5 reviews per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 48 or fewer reviews on any given day.

However, we see the following 77 days exceeding this threshold:In total, we found that 6,484 reviews were created on just 77 days. The reviews on these high volume days have rated this product an average of 4.7 while reviews from other days have rated this product an average of 4.5. 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 created on high volume days

from reviews created on normal volume days


4.7
4.5


Read more about our Rating Trend test.

Fail Suspicious Reviewers

One-Hit Wonders


1,817 of the 16,261 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


4.5
4.6


Single-Day Reviewers


387 of the 16,261 reviewers have written multiple reviews but posted all of them on a single day. The Single-Day reviewers have rated this product an average of 4.7 while all other reviewers rated this product an average of 4.6. 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 single-day reviewers

from non-single-day reviewers


4.7
4.6


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

4.5 Product's Average Ease Score

4.2 Category's Average Ease Score


4.5
4.2


Read more about our Reviewer Ease test.


Fail Word Count Comparison

  • 55%
  • 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 8,941 reviews (or 55%) are within an overrepresented word count group. These reviews have rated this product an average of 4.8, while all other reviews have rated this product an average of 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.

from reviews with an overrepresented word count

from reviews with a properly represented word count


4.8
4.3


Read more about our Word Count Comparison test.

Fail 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:
266 reviews
(4.5/5)
258 reviews
(4.5/5)
508 reviews
(4.9/5)
172 reviews
(4.9/5)
299 reviews
(4.4/5)
349 reviews
(4.5/5)
Show MoreShow Less


766 of the 16,261 total reviews for this product use substantial repetitive phrases between them. These reviewers have rated this product an average of 4.8 while reviews without substantial repetitive phrases rated this product an average of 4.6. 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


4.8
4.6


Read more about our Phrase Repetition test.

Warn Deleted Reviews

We discovered a total of 17 deleted Reviews for this product, with an average rating of 3.9. 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.

3.9 average rating of deleted reviews

3.9


Show distribution of deleted reviews

Warn Brand Repeats

Brand Loyalists


562 of the 16,261 reviewers have reviewed multiple products but half or more of their reviews are for this brand. While this is more Brand Loyalists than we'd expect to see, the discrepancy in ratings between the Brand Loyalists and non-loyalists isn't significant enough to rule out the possibility of it being due to random chance.

from Brand Loyalists

from Non-Loyalists


4.7
4.6


Read more about our Brand Repeats test.

Warn Reviewer Participation

  • 46%
  • 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 7438 reviewers (or 46%) are within an overrepresented participation group. While this is more reviews from overrepresented participation groups than we'd expect to see, these reviews do not appear to have a significant impact on the overall rating.

From reviewers with an overrepresented participation

From reviewers with a properly represented participation


4.6
4.6


Read more about our Reviewer Participation test.

Pass Unverified Purchases

187 of the 16,261 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


3.9
4.6


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% also reviewed:
DAZN by DAZN

0% also reviewed:
TVNOW PREMIUM by RTL interactive GmbH

Does not include products
from the same brand


674 of the 16,261 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
4.6


Read more about our Overlapping Review History 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.