Bluedio Q5 Sports Bluetooth stereo headphones/wireless Bluetooth4.1 headphones/headset Earphones...
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Top products in Bluetooth Headsets with authentic reviews:
Warn Overall Grade
FAIL Rating Trend
FAIL Suspicious Reviewers
WARN Deleted Reviews
WARN Reviewer Participation
PASS Unverified Purchases
PASS Word Count Comparison
PASS Phrase Repetition
PASS Overlapping Review History
PASS Reviewer Ease
PASS Brand Repeats
PASS Incentivized Reviews
Most Trusted Reviews
I bought this back in March of 2016, and it's ... [Go to full review]
Feb 16, 2017
- Unverified Purchaser
- Take-Back Reviewer (2 deleted reviews; avg. rating: 5.0)
- Brand Loyalist (5 of 8 reviews for this brand; avg rating: 5.0)
- Easy Grader (avg. rating: 5.0)
Fail Rating Trend
- Created over 5 days
We counted 198 reviews for this product over the span of 750 days, an average of 0.3 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.
However, we see the following 5 days exceeding this threshold:
Fail Suspicious Reviewers
20 of the 198 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.
22 of the 198 reviewers have written multiple reviews but posted all of them on a single day. The Single-Day reviewers have rated this product an average of 4.0 while all other reviewers rated this product an average of 3.4. 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 Deleted Reviews
We discovered a total of 2 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 have no information on reviews that were never published in the first place.
5.0 average rating of deleted reviews
Show distribution of deleted reviews
Warn Reviewer Participation
- 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:
Pass Unverified Purchases
44 of the 198 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
- Have an overrepresented word count
Read more about our Word Count Comparison test.
Pass Phrase Repetition
Common Phrases in Reviews:
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23 of the 198 total reviews for this product use substantial repetitive phrases between them. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.
Pass Overlapping Review History
Reviewers of this product have ALSO reviewed the following products:
16 of the 198 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, while the average ease score for reviewers in this category is 4.1.
4.0 Product's Average Ease Score
4.1 Category's Average Ease Score
Read more about our Reviewer Ease test.
Pass Brand Repeats
13 of the 198 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
- Admitted to receiving an incentive
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.