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Yeedi vac max Robot Vacuum and Mop Combo, 3000Pa Suction, 200Mins Runtime with Clean Schedule,...
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From Yeedi
This report was last updated 12/28/2022.
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Report Info:
Note: We only analyze "reviews" and ignore one-tap "ratings".

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Report Card
Pass Overall Grade
FAIL
Suspicious Reviewers

FAIL
Phrase Repetition

FAIL
Overlapping Review History

PASS
Rating Trend

PASS
Unverified Purchases

PASS
Word Count Comparison

PASS
Reviewer Ease

PASS
Brand Repeats

PASS
Incentivized Reviews

PASS
Deleted Reviews

N/A
Reviewer Participation

Most Trusted Reviews
It worked great for about a month. It has now ... [Go to full review]
Oct 27, 2022
100%
TRUST
TRUST
-
Verified Purchaser
-
Critical Reviewer (avg. rating: 3.5)
Least Trusted Reviews
So happy with mine I have 2 labradoodles and bengal ... [Go to full review]
Dec 2, 2021
0%
TRUST
TRUST
-
Unverified Purchaser
-
One-Hit Wonder
-
Never-Verified Reviewer
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Overrepresented Participation (posted 1 Review)
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Easy Grader (avg. rating: 5.0)
Analysis Details
Fail
Suspicious Reviewers

Never-Verified Reviewers
Less than approximately 10% of reviewers have never written a verified purchase review. The Never-Verified Reviewers have rated this product an average of 1.0 while the reviewers who have written at least one verified purchase review rated this product an average of 3.8. 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.
Take-Back Reviewers
Approximately 40% of reviewers have had at least one of their past reviews for another product deleted. While this is more Take-Back Reviewers than we'd expect to see, the discrepancy in ratings between the Take-Back Reviewers and reviewers who don't have any deleted reviews in their history isn't significant enough to rule out the possibility of it being due to random chance.
Fail
Phrase Repetition

Reviews that contain one of these phrases are NOT necessarily devalued; read more about how this test works here.
Common Phrases in Reviews:
Show MoreShow Less
~11% of reviews
(3.3/5)
(3.3/5)
~7% of reviews
(5.0/5)
(5.0/5)
~7% of reviews
(3.5/5)
(3.5/5)
~7% of reviews
(5.0/5)
(5.0/5)
Common Phrases in Titles:
~7% of reviews
(5.0/5)
(5.0/5)
Less than approximately 10% of reviews 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 3.5. 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.
Fail
Overlapping Review History

Reviewers of this product have ALSO reviewed the following products:
<10% also reviewed:
Pentel R.S.V.P. Ballpoint Pens, Fine Point, 0.7... by Pentel
<10% also reviewed:
SanDisk Ultra 32GB UHS-I/Class 10 Micro SDHC... by SanDisk
<10% also reviewed:
6Pack Lean Treat Nutritional Rewards for Dogs (4... by Butler
Approximately 15% of reviewers have substantial overlapping product review history. These reviewers have rated this product an average of 4.8 while the reviewers who have a more unique product review history rated this product an average of 3.5. 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.
Pass
Rating Trend

We didn't notice any signals that would indicate reviews were created unevenly over time.
Read more about our Rating Trend test.
Read more about our Rating Trend test.
Pass
Unverified Purchases

28 of the 1,676 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

-
- <10%
- 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.
Read more about our Word Count Comparison 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 3.6, while the average ease score for reviewers in this category is 4.3.
3.6 Product's Average Ease Score
4.3 Category's Average Ease Score
Read more about our Reviewer Ease test.
Pass
Brand Repeats

Brand Repeaters
We didn't detect a substantial amount of Brand Repeaters.
Pass
Incentivized Reviews

On Oct 3, 2016, Amazon prohibited incentivized reviews, however we still test for them since there are still millions in our dataset.
-
- <10%
- Admitted to receiving an incentive
We didn't detect any reviews that used language indicating they were incentivized.
Read more about our Incentivized Reviews test. Check out our study showing that Incentivized Reviewers are much more likely to leave a positive 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.
Pass
Deleted Reviews

- 0
- Reviews have been deleted
We have not discovered any deleted reviews for this product.
There are a few limitations to keep in mind regarding the Deleted Reviews test:
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.