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Amazon.com > Tools & Home Improvement > Kitchen & Bath Fixtures > Water Filtration & Softeners > Replacement Water Filters > Replacement Countertop Water Filters
Berkey Stainless Steel Wire Stand with Rubberized Non-skid Feet for Gravity Fed Water Filter - 4...
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From Berkey
This report was last updated 6/20/2021.
Refresh the report to view the most up-to-date data available:
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Report Info:
Note: While Amazon.com claims 2,030 Ratings, we counted 575 Reviews available on their site.
Note: We only analyze "reviews" and ignore one-tap "ratings".
Note: We only analyze "reviews" and ignore one-tap "ratings".
Report Card
Warn Overall Grade
FAIL Unverified Purchases
FAIL Suspicious Reviewers
FAIL Word Count Comparison
FAIL Phrase Repetition
WARN Deleted Reviews
WARN Brand Repeats
PASS Rating Trend
PASS Overlapping Review History
PASS Reviewer Participation
PASS Reviewer Ease
PASS Incentivized Reviews
Most Trusted Reviews
First one I ordered arrived bent so returned and second ... [Go to full review]
Mar 21, 2019
100%
TRUST
TRUST
- Verified Purchaser
- Take-Back Reviewer (1 deleted Review; avg. rating: 5.0)
- Easy Grader (avg. rating: 4.8)
Least Trusted Reviews
Could be an inch or two taller but otherwise perfect ... [Go to full review]
Sep 29, 2015
0%
TRUST
TRUST
- Verified Purchaser
- Overrepresented word count (13 words)
- One-Hit Wonder
- Critical Reviewer (avg. rating: 4.0)
Analysis Details
Fail Unverified Purchases
5 of the 575 total reviews for this product are unverified purchases. The unverified purchasers have rated this product an average of 2.8 while the verified purchasers have 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.
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.
Fail Suspicious Reviewers
One-Hit Wonders
2 of the 575 reviewers have only reviewed this product. The One-Hit Wonders have rated this product an average of 2.5 while the reviewers who have posted more than one review have 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.
Take-Back Reviewers
301 of the 575 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.
Fail Word Count Comparison
-
- 36%
- 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 206 reviews (or 36%) are within an overrepresented word count group. These reviews have rated this product an average of 4.7, while all other reviews have rated this product an average of 4.5. 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 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
15 reviews
(5.0/5)
(5.0/5)
7 reviews
(5.0/5)
(5.0/5)
13 reviews
(4.9/5)
(4.9/5)
7 reviews
(5.0/5)
(5.0/5)
Common Phrases in Titles:
12 reviews
(4.9/5)
(4.9/5)
27 of the 575 total reviews for this product 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 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.
Warn Deleted Reviews
We discovered a total of 7 deleted Reviews for this product, with an average rating of 4.7. 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.
Warn Brand Repeats
Brand Repeaters
198 of the 575 reviewers have reviewed other products for this brand. While this is more Brand Repeaters than we'd expect to see, the discrepancy in ratings between the Brand Repeaters and non-repeaters isn't significant enough to rule out the possibility of it being due to random chance.
Pass Rating Trend
-
- 1%
- Created over 1 day
We counted 575 reviews for this product over the span of 2,310 days, an average of 0.2 reviews per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 3 or fewer reviews on any given day.
However, we see the following 1 day exceeding this threshold:In total, we found that 4 reviews were created on just 1 day. 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:
5% also reviewed:
Boroux Stainless Steel Spigot – fits Berkey and... by Boroux
2% also reviewed:
Alexapure Pro Stainless Steel Water Filtration... by Alexapure
2% also reviewed:
Certified Refurbished Fire TV Stick with Alexa... by Amazon Renewed
2% also reviewed:
Echo Dot (2nd Generation) - Smart speaker with... by Amazon
1% also reviewed:
One Second After (A John Matherson Novel, 1) by William R. Forstchen
1% also reviewed:
Mr. Beams MB330 Wireless LED Spotlight with... by Mr. Beams
1% also reviewed:
Instant Pot Tempered Glass Lid, 10"... by Instant Pot
Does not include products
from the same brand
from the same brand
79 of the 575 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 Participation
-
- 29%
- 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:In total, we found that 164 reviewers (or 29%) are within an overrepresented participation group. 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 4.4, while the average ease score for reviewers in this category is 4.3. While this discrepancy is rather large, it is not quite large enough to rule out the possibility of it being due random chance.
4.4 Product's Average Ease Score
4.3 Category's Average Ease Score
Read more about our Reviewer Ease test.
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.
-
- 0%
- 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.