AmazonBasics High-Density Round Foam Roller From AmazonBasics Report Feedback
Last Updated: 5/7/2017
Click a test to jump to details
Most Trusted Reviews
- Verified Purchaser
- Critical Reviewer (avg. rating: 3.8)
Least Trusted Reviews
- Verified Purchaser
- Overrepresented word count (1 word)
- Take-Back Reviewer (1 deleted review; avg. rating: 1.0)
- Overlapping Review History: reviewed 1 of 9 top products
- Overrepresented Participation (posted 6 reviews)
- Easy Grader (avg. rating: 4.8)
250 of the 1,642 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.
4.4 Product's Average Ease Score
4.3 Category's Average Ease Score
Read more about our Reviewer Ease test.
167 of the 1,642 reviewers have substantial overlapping product review history. These reviewers have rated this product an average of 4.7 while the reviewers who have a more unique product review history rated this product an average of 4.6. 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.
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.
5.0 average rating of deleted reviews
Read more about our Deleted Reviews test.
- 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:
- 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:
- Created over 2 days
We counted 1,642 reviews for this product over the span of 619 days, an average of 2.7 reviews per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 10 or fewer reviews on any given day.
However, we see the following 2 days exceeding this threshold:
35 of the 1,642 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.
11 of the 1,642 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.
245 of the 1,642 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.
-0.3 average net helpfulness for positive reviews
0.7 average net helpfulness for negative reviews
Read more about our Skewed Helpfulness test.
- 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.