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Wireless Bluetooth Kopfhörer, In Ear Ohrhörer mit【3000 mAh Ladebox】Deep Bass 170h Spielzeit...
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This report was last updated 1/18/2020.
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Report Card
Fail Overall Grade
FAIL Deleted Reviews
FAIL Reviewer Ease
FAIL Phrase Repetition
PASS Rating Trend
PASS Unverified Purchases
PASS Word Count Comparison
PASS Suspicious Reviewers
PASS Overlapping Review History
PASS Reviewer Participation
PASS Brand Repeats
PASS Incentivized Reviews
Most Trusted Reviews
Habe die Kopfhörer bestellt, weil meine vorherigen kaputt gegangen sind. ... [Go to full review]
Dec 10, 2019
100%
TRUST
TRUST
- Verified Purchaser
- Overlapping Review History: reviewed 1 of 9 top products
- Critical Reviewer (avg. rating: 3,4)
Least Trusted Reviews
Sehr schöne und gute Verpackung. Qualitativ Hochwertig Kopfhörer sehr guter ... [Go to full review]
Nov 15, 2019
0%
TRUST
TRUST
- Verified Purchaser
- Contains repetitive phrases (show)
- Take-Back Reviewer (82 deleted Reviews; avg. rating: 4,8)
- Brand Repeater (3 of 78 reviews for this brand; avg rating: 5,0)
- Overlapping Review History: reviewed 4 of 9 top products
- Easy Grader (avg. rating: 4,9)
Analysis Details
Fail Deleted Reviews
We discovered a total of 5 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:
- 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.
- We have no information on reviews that were never published in the first place.
- 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.
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 4.7, while the average ease score for reviewers in this category is 3.9. 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.
4,7 Product's Average Ease Score
3,9 Category's Average Ease Score
Read more about our Reviewer Ease 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:
Show MoreShow Less
2 reviews
(5,0/5)
(5,0/5)
2 reviews
(5,0/5)
(5,0/5)
6 reviews
(5,0/5)
(5,0/5)
5 reviews
(4,8/5)
(4,8/5)
2 reviews
(5,0/5)
(5,0/5)
2 reviews
(5,0/5)
(5,0/5)
4 reviews
(5,0/5)
(5,0/5)
2 reviews
(5,0/5)
(5,0/5)
3 reviews
(5,0/5)
(5,0/5)
43 of the 76 total reviews for this product use substantial repetitive phrases between them. These reviewers have rated this product an average of 5,0 while reviews without substantial repetitive phrases 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.
Pass Rating Trend
-
- 0%
- Created on high-volume days
We counted 76 reviews for this product over the span of 73 days, an average of 1,0 reviews per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 5 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
3 of the 76 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.
Pass Word Count Comparison
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- 9%
- 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 7 reviews (or 9%) 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.
Pass Suspicious Reviewers
One-Hit Wonders
3 of the 76 reviewers have only reviewed this product. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.
Never-Verified Reviewers
We didn't detect a substantial amount of Never-Verified Reviewers.
Take-Back Reviewers
17 of the 76 reviewers have had at least one of their past reviews for another product deleted. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.
Single-Day Reviewers
We didn't detect a substantial amount of Single-Day Reviewers.
Pass Overlapping Review History
Reviewers of this product have ALSO reviewed the following products:
17% also reviewed:
Ceppekyy Bluetooth Kopfhörer in Ear Sport... by Ceppekyy
13% also reviewed:
INSMART Körperfettwaage, Personenwaage digital... by INSMART
13% also reviewed:
YAMAY Fitness Armband mit... by YAMAY
12% also reviewed:
EarFun [CES 2020 Awards] Free Bluetooth... by EarFun
12% also reviewed:
Bluetooth Kopfhörer In Ear Kabellos Kopfhörer... by WUHUHAI
11% also reviewed:
Antimi Bluetooth Kopfhörer Kabellos Noise... by Antimi
11% also reviewed:
YAMAY Fitness Tracker,Smartwatch Wasserdicht IP68... by YAMAY
11% also reviewed:
16GB Bluetooth MP3 Player, tragbarer... by Tenswall
Does not include products
from the same brand
from the same brand
37 of the 76 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.
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.
Read more about our Reviewer Participation test.
Pass Brand Repeats
Brand Repeaters
3 of the 76 reviewers have reviewed other products for this brand. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.
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.
Read more about our Incentivized Reviews test. Check out our study showing that Incentivized Reviewers are much more likely to leave a positive review.