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In-Ear Earbuds Noise Isolation Headsets Heavy Bass Earphones with Microphone for iPhone
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From HUIZL
This report was last updated 8/30/2018.
Refresh the report to view the most up-to-date data available:
Refresh the report to view the most up-to-date data available:
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Report Info:
Note: We only analyze "reviews" and ignore one-tap "ratings".
Top products in Corded Headsets with authentic reviews:
Report Card
Fail Overall Grade
FAIL
Deleted Reviews

FAIL
Suspicious Reviewers

FAIL
Reviewer Ease

WARN
Rating Trend

WARN
Unverified Purchases

WARN
Word Count Comparison

WARN
Phrase Repetition

WARN
Overlapping Review History

WARN
Reviewer Participation

PASS
Brand Repeats

PASS
Incentivized Reviews

Most Trusted Reviews
We couldn't find any quality reviews
Least Trusted Reviews
It's quality is very good and sound quality is very ... [Go to full review]
Aug 16, 2018
0%
TRUST
TRUST
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Unverified Purchaser
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Created on a high volume day
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Overrepresented word count (15 words)
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Contains repetitive phrases (
show)
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Never-Verified Reviewer
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Overlapping Review History: reviewed 1 of 9 top products
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Overrepresented Participation (posted 13 Reviews)
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Easy Grader (avg. rating: 5.0)
Analysis Details
Fail
Deleted Reviews

We discovered a total of 23 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
Suspicious Reviewers

Never-Verified Reviewers
66 of the 74 reviewers have never written a verified purchase review. This is an excessively large percentage of Never-Verified Reviewers which may indicate unnatural reviews.
Take-Back Reviewers
3 of the 74 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.
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 4.1. 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
4.1 Category's Average Ease Score
Read more about our Reviewer Ease test.
Warn
Rating Trend

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- 97%
- Created over 3 days
We counted 74 reviews for this product over the span of 13 days, an average of 5.7 reviews per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 14 or fewer reviews on any given day.
However, we see the following 3 days exceeding this threshold:In total, we found that 72 reviews were created on just 3 days. This is an excessively high number of reviews submitted on these high volume days.
Warn
Unverified Purchases

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- 100%
- Unverified Purchases
74 of the 74 total reviews for this product are unverified purchases. This is an excessively large percentage of unverified purchases and it may indicate unnatural reviews.
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.
Warn
Word Count Comparison

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- 42%
- 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 31 reviews (or 42%) are within an overrepresented word count group. While this is more reviews from overrepresented word count groups than we'd expect to see, these reviews do not appear to have a significant impact on the overall rating.
Warn
Phrase Repetition

Reviews that contain one of these phrases are NOT necessarily devalued; read more about how this test works here.
19 of the 74 total reviews for this product use substantial repetitive phrases between them. This is an excessively large percentage which may indicate unnatural reviews.
Warn
Overlapping Review History

Reviewers of this product have ALSO reviewed the following products:
26% also reviewed:
Galaxy Note 8 Screen Protector,[2-Pack] DeFitch... by DeFitch
18% also reviewed:
iPhone 7/7Plus Adapter Headphone Jack,Lightning... by VOWSVOWS
18% also reviewed:
Galaxy Note 9 Screen Protector, 3D Full Screen... by AisaniCandy
16% also reviewed:
Samsung Galaxy S9 Plus Screen Protector,OLINKIT... by OLINKIT
16% also reviewed:
Charging Cable by UltraSealers
14% also reviewed:
8.17 S7 3PC Screen Protector by EcoPestuGo
14% also reviewed:
Galaxy S9 Glass Screen Protector, Loopilops [9H... by Loopilops
Does not include products
from the same brand
from the same brand
47 of the 74 reviewers have substantial overlapping product review history. While this is more than we'd expect to see, it does not appear to have a significant impact on the overall rating.
Warn
Reviewer Participation

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- 59%
- 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 44 reviewers (or 59%) are within an overrepresented participation group. This is an excessively high number of reviewers in overrepresented participation groups.
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.
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- 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.