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Korky 2021BP TOTO Toilet Repairs-Large 3-Inch Flapper-Easy to Install-Made in USA, Pack of 1, Red
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From Korky
This report was last updated 7/15/2022.
Refresh the report to view the most up-to-date data available:
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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 Deleted Reviews
FAIL Suspicious Reviewers
WARN Word Count Comparison
PASS Rating Trend
PASS Unverified Purchases
PASS Phrase Repetition
PASS Overlapping Review History
PASS Reviewer Ease
PASS Brand Repeats
PASS Incentivized Reviews
N/A Reviewer Participation
Most Trusted Reviews
Quick replacement. All you need to do is make sure ... [Go to full review]
Dec 28, 2021
100%
TRUST
TRUST
- Verified Purchaser
- Take-Back Reviewer (3 deleted Reviews; avg. rating: 3.7)
- Critical Reviewer (avg. rating: 4.1)
Least Trusted Reviews
This was easy to install! [Go to full review]
Nov 18, 2015
0%
TRUST
TRUST
- Verified Purchaser
- Overrepresented word count (7 words)
- Take-Back Reviewer (1 deleted Review; avg. rating: 3.0)
- Overlapping Review History: reviewed 1 of 9 top products
- Easy Grader (avg. rating: 4.5)
Analysis Details
Fail Deleted Reviews
We discovered a total of 25 deleted Reviews for this product, with an average rating of 4.3. 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.
Fail Suspicious Reviewers
Take-Back Reviewers
Approximately 65% of reviewers have had at least one of their past reviews for another product deleted. The Take-Back Reviewers have rated this product an average of 4.6 while the reviewers who don't have any deleted reviews in their history have rated this product an average of 3.9. 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 Word Count Comparison
-
- ~30%
- 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 1 group with a statistically significant greater concentration than what we'd expect to see:In total, we found that approximately 30% are within an overrepresented word count group. While this is more reviews from overrepresented word count groups than we'd expect to see, the discrepancy in ratings between reviews with overrepresented word groups and all other reviews isn’t significant enough to rule out the possibility of it being due to random chance.
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
42 of the 3,124 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 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:
~6% of reviews
(5.0/5)
(5.0/5)
~4% of reviews
(5.0/5)
(5.0/5)
~4% of reviews
(5.0/5)
(5.0/5)
Common Phrases in Titles:
~6% of reviews
(5.0/5)
(5.0/5)
~4% of reviews
(5.0/5)
(5.0/5)
~4% of reviews
(5.0/5)
(5.0/5)
Less than approximately 10% of reviews 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:
<10% also reviewed:
The Murder on the Links: A Hercule Poirot Mystery... by Christie, Agatha
<10% also reviewed:
Korky 528MP QuietFILL Platinum Fill Valve-Fits... by Korky Toilet Repair
<10% also reviewed:
The Amazing Maurice and His Educated Rodents by Harper Collins
<10% also reviewed:
TOTO Trip Lever For St743S by TOTO
<10% also reviewed:
Amazon Basics 8-Pack 9 Volt Alkaline Performance... by Amazon Basics
<10% also reviewed:
Kingsman: The Secret Service by
<10% also reviewed:
EPAuto CP846 (CF9846A) Replacement for... by EPAuto
Does not include products
from the same brand
from the same brand
Approximately 20% of 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 4.1, while the average ease score for reviewers in this category is 4.3.
4.1 Product's Average Ease Score
4.3 Category's Average Ease Score
Read more about our Reviewer Ease test.
Pass Brand Repeats
Brand Repeaters
Less than approximately 10% of 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
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.