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GGMM Cuckoo Max Performance/Superior Sound in-Ear Noise-Isolating Earbuds Headphone w/Tangle-Free...
More product info From GGMM

Amazon Reviews for  GGMM Cuckoo Max Performance/Superior Sound in-Ear Noise-Isolating Earbuds Headphone w/Tangle-Free Cable, 3-Button Remote/Volume Control/Mic, Compatible w/Apple Products
Rating:
328 Ratings
236 Reviews
("Ratings" vs. "Reviews")
17% of potentially unnatural reviews removed (why?)
Adjusted:
View/Edit Adjustment
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Report Info:
Last Updated: Dec 3, 2021
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Note: While Amazon.com claims 328 Ratings, we counted 236 Reviews available on their site.
Note: We only analyze "reviews" and ignore one-tap "ratings".

Report Card

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

Most Trusted Reviews

Initial customer service was great but now, pair #2 has ... [Go to full review]
Jul 6, 2017      
100% TRUST
  • Verified Purchaser
  • Take-Back Reviewer (5 deleted Reviews; avg. rating: 3.8)
  • Critical Reviewer (avg. rating: 3.7)


Least Trusted Reviews

I have spent a small fortune on beats and other ... [Go to full review]
Oct 8, 2015      
0% TRUST
  • Unverified Purchaser
  • Created on a high volume day
  • Overrepresented word count (61 words)
  • Contains repetitive phrases (show)
  • Brand Repeater (3 of 9 reviews for this brand; avg rating: 5.0)
  • Easy Grader (avg. rating: 5.0)


Analysis Details

Fail Deleted Reviews

We discovered a total of 33 deleted Reviews for this product, with an average rating of 4.7. 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.

4.7 average rating of deleted reviews

4.7


Show distribution of deleted reviews

Fail Unverified Purchases

30 of the 236 total reviews for this product are unverified purchases. The unverified purchasers have rated this product an average of 4.6 while the verified purchasers have rated this product an average of 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.

from unverified purchasers

from verified purchases


4.6
4.1


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.

Fail Incentivized Reviews
On Oct 3, 2016, Amazon prohibited incentivized reviews, however we still test for them since there are still millions in our dataset.


6 of the 236 total reviews for this product admitted to receiving a free or discounted product in exchange for a review. Incentivized reviews have rated this product an average of 5.0 while reviews that were not incentivized rated this product an average of 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.

from incentivized reviews

from non-incentivized reviews


5.0
4.1


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

Fail Brand Repeats

Brand Loyalists


10 of the 236 reviewers have reviewed multiple products but half or more of their reviews are for this brand. This is an excessively large percentage of Brand Loyalists which may indicate unnatural reviews.

from Brand Loyalists

from Non-Loyalists


5.0
4.1


Brand Monogamists


8 of the 236 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
4.1


Read more about our Brand Repeats test.

Fail Suspicious Reviewers

Never-Verified Reviewers


6 of the 236 reviewers have never written a verified purchase review. The Never-Verified Reviewers have rated this product an average of 5.0 while the reviewers who have written at least one verified purchase review rated this product an average of 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.

from never-verified reviewers

from reviewers with at least one verified purchase review


5.0
4.1


Take-Back Reviewers


103 of the 236 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, the discrepancy in ratings between the Take-Back Reviewers and reviewers who don't have any deleted reviews in their history isn't significant enough to rule out the possibility of it being due to random chance.

from take-back reviewers

from reviewers without previously deleted reviews


4.3
4.1


Read more about our Suspicious Reviewers test.

Warn Rating Trend

  • 7%
  • Created over 5 days

We counted 236 reviews for this product over the span of 1,809 days, an average of 0.1 reviews per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 2 or fewer reviews on any given day.

However, we see the following 5 days exceeding this threshold:In total, we found that 17 reviews were created on just 5 days. Although any days with a larger number of reviews than expected is suspicious, these reviews do not appear to have a significant impact on the overall rating.

from reviews created on high volume days

from reviews created on normal volume days


4.0
4.2


Read more about our Rating Trend test.

Warn Word Count Comparison

  • 40%
  • 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 94 reviews (or 40%) 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.

from reviews with an overrepresented word count

from reviews with a properly represented word count


4.1
4.2


Read more about our Word Count Comparison test.

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:
5 reviews
(4.6/5)
3 reviews
(5.0/5)
21 reviews
(4.5/5)
16 reviews
(4.1/5)
7 reviews
(5.0/5)
2 reviews
(3.5/5)
3 reviews
(3.7/5)
6 reviews
(4.0/5)
4 reviews
(4.8/5)
6 reviews
(4.3/5)
Show MoreShow Less
Common Phrases in Titles:
13 reviews
(4.5/5)
5 reviews
(4.2/5)
6 reviews
(4.7/5)
2 reviews
(5.0/5)
4 reviews
(4.3/5)
2 reviews
(5.0/5)
2 reviews
(1.5/5)
4 reviews
(4.8/5)
4 reviews
(5.0/5)
3 reviews
(4.3/5)
Show MoreShow Less


43 of the 236 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.

from reviews with substantial repetitive phrases

from reviews without substantial repetitive phrases


4.4
4.1


Read more about our Phrase Repetition test.

Pass Overlapping Review History
Reviewers of this product have ALSO reviewed the following products:

2% also reviewed:
Amazon Store Card by Synchrony Bank

Does not include products
from the same brand


18 of the 236 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


4.2
4.2


Read more about our Overlapping Review History test.

Pass Reviewer Participation

  • 28%
  • 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 66 reviewers (or 28%) are within an overrepresented participation group. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.

From reviewers with an overrepresented participation

From reviewers with a properly represented participation


4.3
4.1


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.