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Divoom Voombox-Outdoor Water Resistant Bluetooth Portable Speaker with Mic for Smartphones - Retail...
More product info From Divoom

Amazon Reviews for  Divoom Voombox-Outdoor Water Resistant Bluetooth Portable Speaker with Mic for Smartphones - Retail Packaging
Rating:
35 Ratings
35 Reviews
("Ratings" vs. "Reviews")
23% of potentially unnatural reviews removed (why?)
Adjusted:
View/Edit Adjustment
Jump to Report Card
Report Info:

Report Card

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

Most Trusted Reviews

Had a Phillips Shoqbox for 1 month until it powered ... [Go to full review]
Jun 18, 2014      
100% TRUST
  • Unverified Purchaser
  • Take-Back Reviewer (1 deleted Review; avg. rating: 5.0)
  • Easy Grader (avg. rating: 4.8)


Least Trusted Reviews

Sounds great for a small, affordable, portable speaker. Also liked ... [Go to full review]
Sep 16, 2014      
0% TRUST
  • Verified Purchaser
  • Contains repetitive phrases (show)
  • One-Hit Wonder
  • Easy Grader (avg. rating: 5.0)


Analysis Details

Fail Suspicious Reviewers

One-Hit Wonders


6 of the 35 reviewers have only reviewed this product. While this is more One-Hit Wonders than we'd expect to see, the discrepancy in ratings between the One-Hit Wonders and reviewers who have posted more than one review isn't significant enough to rule out the possibility of it being due to random chance.

from one-hit wonders

from reviewers with more than one review


4.3
3.8


Take-Back Reviewers


5 of the 35 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.

from take-back reviewers

from reviewers without previously deleted reviews


5.0
3.7


Read more about our Suspicious Reviewers test.

Fail Phrase Repetition


7 of the 35 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 3.6. 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.

from reviews with substantial repetitive phrases

from reviews without substantial repetitive phrases


5.0
3.6


Read more about our Phrase Repetition test.

Warn Deleted Reviews

We discovered a total of 1 deleted Review 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:
  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.

5.0 average rating of deleted reviews

5.0


Show distribution of deleted reviews

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.


3 of the 35 total reviews for this product admitted to receiving a free or discounted product in exchange for a review. While we could not find a statistically significant difference between the average rating of incentivized reviews and non-incentivized reviews, 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.

from incentivized reviews

from non-incentivized reviews


5.0
3.8


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

Warn Brand Repeats

Brand Loyalists


1 of the 35 reviewers have reviewed multiple products but half or more of their reviews are for this brand. While this is more Brand Loyalists than we'd expect to see, it does not appear to have a significant impact on the overall rating.

from Brand Loyalists

from Non-Loyalists


1.0
4.0


Read more about our Brand Repeats test.

Pass Rating Trend

  • 0%
  • Created on high-volume days
We counted 35 reviews for this product over the span of 848 days, an average of 0.0 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. We didn't find any days exceeding this threshold.
Read more about our Rating Trend test.

Pass Unverified Purchases

6 of the 35 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.

from unverified purchasers

from verified purchases


4.3
3.8


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

  • 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.

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

Does not include products
from the same brand


5 of the 35 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


5.0
3.7


Read more about our Overlapping Review History test.

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.

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 3.9, while the average ease score for reviewers in this category is 4.2.

3.9 Product's Average Ease Score

4.2 Category's Average Ease Score


3.9
4.2


Read more about our Reviewer Ease test.



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