[IP67 Waterproof Speaker] Vtin Cuber Bluetooth 4.0 Speaker, 5W Audio Driver, 8 Hour Playing Time,...
From VicTsing
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Report Card
Click a test to jump to details
FAIL
Deleted Reviews

FAIL
Suspicious Reviewers

WARN
Unverified Purchases

WARN
Incentivized Reviews

WARN
Phrase Repetition

WARN
Reviewer Participation

PASS
Rating Trend

PASS
Word Count Comparison

PASS
Overlapping Review History

PASS
Reviewer Ease

PASS
Brand Repeats

Most Trusted Reviews
Excellent product! Speedy delivery too [Go to full review]
Apr 2, 2017
100%
TRUST
TRUST
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Verified Purchaser
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One-Hit Wonder
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Easy Grader (avg. rating: 5.0)
Least Trusted Reviews
Just when I think I’ve got all of my speakers ... [Go to full review]
Jan 13, 2016
35%
TRUST
TRUST
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Unverified Purchaser
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Admitted to receiving an incentive
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Contains repetitive phrases (
show)
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Take-Back Reviewer (76 deleted reviews; avg. rating: 4.6)
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Easy Grader (avg. rating: 4.5)
Analysis Details
Fail
Deleted Reviews

We discovered a total of 23 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
Suspicious Reviewers

Take-Back Reviewers
30 of the 81 reviewers have had at least one of their past reviews for another product deleted. This is an excessively large percentage of Take-Back Reviewers which may indicate unnatural reviews.
Warn
Unverified Purchases

42 of the 81 total reviews for this product are unverified purchases. While this is a higher percentage of unverified purchases than we'd expect to see, it does not appear to have a significant impact on the overall rating.
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
Incentivized Reviews

On Oct 3, 2016, Amazon prohibited incentivized reviews, however we still test for them since there are still millions in our dataset.
13 of the 81 total reviews for this product admitted to receiving a free or discounted product in exchange for a review. This is more than we would expect see; the presences of at least one incentivized review indicates that there may be more, since not all reviewers will disclose that they had received an incentive to post a review.
Read more about our Incentivized Reviews test, or check out our study showing that Incentivized Reviewers are much more likely to leave a positive review.
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
5 reviews
2 reviews
5 reviews
2 reviews
2 reviews
4 reviews
30 of the 81 total reviews for this product use substantial repetitive phrases between them. This is an excessively large percentage which may indicate unnatural reviews.
Warn
Reviewer Participation

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- 36%
- 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 29 reviewers (or 36%) 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
Rating Trend

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- 0%
- Created on high-volume days
We counted 81 reviews for this product over the span of 461 days, an average of 0.2 reviews per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 3 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
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
Overlapping Review History

Reviewers of this product have ALSO reviewed the following products:
14% also reviewed:
Item Unavailable by
11% also reviewed:
Item Unavailable by
11% also reviewed:
Item Unavailable by
11% also reviewed:
Item Unavailable by
10% also reviewed:
Item Unavailable by
10% also reviewed:
E-PRANCE 100ml Portable Essential Oil Diffuser,... by E-PRANCE
10% also reviewed:
[Upgrade Version] External DVD Drive - Pictek... by Pictek
9% also reviewed:
Mpow Solar Lights Motion Sensor Security Lights... by Mpow
Does not include products
from the same brand
from the same brand
24 of the 81 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 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 4.6, while the average ease score for reviewers in this category is 4.4. While this discrepancy is rather large, it is not quite large enough to rule out the possibility of it being due random chance.
4.6 Product's Average Ease Score
4.4 Category's Average Ease Score
Read more about our Reviewer Ease test.
Pass
Brand Repeats

Brand Repeaters
We didn't detect a substantial amount of Brand Repeaters.