Eufy RoboVac 11, High Suction, Self-Docking, Self-Charging Robotic Vacuum Cleaner with Drop-Sensing... From Eufy Report Feedback
Last Updated: 2/20/2017
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Most Trusted Reviews
- Verified Purchaser
- Easy Grader (avg. rating: 4.8)
Least Trusted Reviews
- Unverified Purchaser
- Contains repetitive phrases (show)
- One-Hit Wonder
- Never-Verified Reviewer
- Overrepresented Participation (posted 1 review)
- Easy Grader (avg. rating: 5.0)
20 of the 109 total reviews for this product are unverified purchases. The unverified purchasers have rated this product an average of 5.0 while the verified purchasers have rated this product an average of 4.7. 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.
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.
13 of the 109 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.
23 of the 109 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
4.1 Category's Average Ease Score
Read more about our Reviewer Ease test.
We discovered a total of 1 deleted review for this product, with an average rating of 4. 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.
4.0 average rating of deleted reviews
Read more about our Deleted Reviews test.
22 of the 109 total reviews for this product use substantial repetitive phrases between them. While this is more than we'd expect to see, the discrepancy in ratings between the these reviews and reviews without substantial repetitive phrases isn't significant enough to rule out the possibility of it being due to random chance.
- 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 on high-volume days
Read more about our Rating Trend test.
- Have an overrepresented word count
Read more about our Word Count Comparison test.
from the same brand
18 of the 109 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.
1 of the 109 reviewers has 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.
0.0 average net helpfulness for positive reviews
0.0 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.