WELLDISC PLUS Intervertebral Disc Capsules for your back | lower back pain| backache | disc...
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Most Trusted Reviews
TRUST
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Verified Purchaser
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Admitted to receiving an incentive
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Take-Back Reviewer (274 deleted Reviews; avg. rating: 4.7)
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Brand Repeater (2 of 917 reviews for this brand; avg rating: 3.5)
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Overlapping Review History: reviewed 9 of 9 top products
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Critical Reviewer (avg. rating: 4.4)
Least Trusted Reviews
TRUST
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Unverified Purchaser
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Never-Verified Reviewer
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Single-Day Reviewer (posted all reviews on May 4, 2016)
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Brand Monogamist (2 of 2 reviews for this brand; avg rating: 5.0)
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Easy Grader (avg. rating: 5.0)
Analysis Details

We discovered a total of 14 deleted Reviews for this product, with an average rating of 4.6. 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.

Brand Repeaters
3 of the 6 reviewers have reviewed other products for this brand. While this is more Brand Repeaters than we'd expect to see, it does not appear to have a significant impact on the overall rating.
Brand Monogamists
1 of the 6 reviewers have reviewed multiple products, but only for this brand. This is an excessively large percentage of Brand Monogamists which may indicate unnatural reviews.

One-Hit Wonders
1 of the 6 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.
Never-Verified Reviewers
3 of the 6 reviewers have never written a verified purchase review. While this is more Never-Verified Reviewers than we'd expect to see, it does not appear to have a significant impact on the overall rating.
Take-Back Reviewers
3 of the 6 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.
Single-Day Reviewers
1 of the 6 reviewers have written multiple reviews but posted all of them on a single day. While this is more Single-Day Reviewers than we'd expect to see, the discrepancy in ratings between the Single-Day Reviewers and all other reviewers isn't significant enough to rule out the possibility of it being due to random chance.

5 of the 6 total reviews for this product are unverified purchases. This is an excessively large percentage of unverified purchases and it may indicate unnatural reviews.
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.

1 of the 6 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. Check out our study showing that Incentivized Reviewers are much more likely to leave a positive review.

4.7 Product's Average Ease Score
4.5 Category's Average Ease Score
Read more about our Reviewer Ease test.

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4 of the 6 reviewers have substantial overlapping product review history. While this is more than we'd expect to see, it does not appear to have a significant impact on the overall rating.

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- Created on high-volume days
Read more about our Rating Trend test.

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- Have an overrepresented word count
Read more about our Word Count Comparison test.

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- Used substantial repetitive phrases
Read more about our Phrase Repetition test.

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- From reviewers with an overrepresented participation
Read more about our Reviewer Participation test.