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Amazon.com > Electronics > Headphones, Earbuds & Accessories > Headphones & Earbuds > Over-Ear Headphones
Active Noise Cancelling Headphones, iTeknic [Upgraded] Bluetooth Headphones with Microphone Deep...
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From iTeknic
This report was last updated 1/12/2021.
Refresh the report to view the most up-to-date data available:
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Report Info:
Note: While Amazon.com claims 1,114 Ratings, we counted 701 Reviews available on their site.
Note: We only analyze "reviews" and ignore one-tap "ratings".
Note: We only analyze "reviews" and ignore one-tap "ratings".
Report Card
Fail Overall Grade
FAIL
Deleted Reviews

FAIL
Rating Trend

FAIL
Suspicious Reviewers

FAIL
Reviewer Ease

FAIL
Overlapping Review History

WARN
Phrase Repetition

WARN
Reviewer Participation

PASS
Unverified Purchases

PASS
Word Count Comparison

PASS
Brand Repeats

PASS
Incentivized Reviews

Most Trusted Reviews
Easy for hookup and sound is great. [Go to full review]
Dec 8, 2020
100%
TRUST
TRUST
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Verified Purchaser
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Take-Back Reviewer (1 deleted Review; avg. rating: 1.0)
-
Easy Grader (avg. rating: 4.4)
Least Trusted Reviews
Noise cancelling works well and quality of sound seems superior ... [Go to full review]
Jun 26, 2019
0%
TRUST
TRUST
-
Verified Purchaser
-
Created on a high volume day
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Contains repetitive phrases (
show)
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Take-Back Reviewer (9 deleted Reviews; avg. rating: 4.6)
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Overlapping Review History: reviewed 1 of 9 top products
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Easy Grader (avg. rating: 4.7)
Analysis Details
Fail
Deleted Reviews

We discovered a total of 317 deleted Reviews for this product, with an average rating of 4.9. 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:
- 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
Rating Trend

-
- 9%
- Created over 8 days
We counted 701 reviews for this product over the span of 691 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 6 or fewer reviews on any given day.
However, we see the following 8 days exceeding this threshold:In total, we found that 65 reviews were created on just 8 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.
Fail
Suspicious Reviewers

One-Hit Wonders
86 of the 701 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.
Never-Verified Reviewers
10 of the 701 reviewers have never written a verified purchase review. The Never-Verified Reviewers have rated this product an average of 3.6 while the reviewers who have written at least one verified purchase review 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.
Take-Back Reviewers
282 of the 701 reviewers have had at least one of their past reviews for another product deleted. The Take-Back Reviewers have rated this product an average of 4.7 while the reviewers who don't have any deleted reviews in their history 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.
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 4.4, 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.
4.4 Product's Average Ease Score
4.3 Category's Average Ease Score
Read more about our Reviewer Ease test.
Fail
Overlapping Review History

Reviewers of this product have ALSO reviewed the following products:
3% also reviewed:
Memory Foam Pillows for Sleeping Bed Cervical... by Milemont
2% also reviewed:
Fire TV Stick bundle with Echo Dot (2nd Gen) -... by Amazon
1% also reviewed:
Wireless Earbuds,AIKELA TWS Bluetooth 5.0... by AIKELA
1% also reviewed:
Amazon Store Card by Synchrony Bank
1% also reviewed:
Bluetooth Speakers, Portable Bluetooth Speakers... by BUGANI
1% also reviewed:
Diwenhouse Heating Pads for Back Pain Relief,... by Diwenhouse
83 of the 701 reviewers have substantial overlapping product review history. These reviewers have rated this product an average of 4.9 while the reviewers who have a more unique product review history 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.
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
18 reviews
(4.6/5)
(4.6/5)
10 reviews
(5.0/5)
(5.0/5)
93 reviews
(4.6/5)
(4.6/5)
47 reviews
(4.4/5)
(4.4/5)
39 reviews
(4.5/5)
(4.5/5)
8 reviews
(5.0/5)
(5.0/5)
8 reviews
(4.9/5)
(4.9/5)
24 reviews
(4.9/5)
(4.9/5)
15 reviews
(4.5/5)
(4.5/5)
35 reviews
(4.7/5)
(4.7/5)
150 of the 701 total reviews for this product use substantial repetitive phrases between them. While this is more than we'd expect to see, the discrepancy in ratings between the these reviews and reviews without substantial repetitive phrases isn't significant enough to rule out the possibility of it being due to random chance.
Warn
Reviewer Participation

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- 32%
- 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 225 reviewers (or 32%) 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.
Pass
Unverified Purchases

74 of the 701 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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- 0%
- Have an overrepresented word count
We didn't find any review word count groups that had a statistically significant greater concentration than what we'd expect to see in this category.
Read more about our Word Count Comparison test.
Read more about our Word Count Comparison test.
Pass
Brand Repeats

Brand Repeaters
47 of the 701 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.
1 of the 701 total reviews for this product admitted to receiving a free or discounted product in exchange for a review. 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 Incentivized Reviews test. Check out our study showing that Incentivized Reviewers are much more likely to leave a positive review.