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BUNN NHS Velocity Brew 10-Cup Home Coffee Brewer
More product info From BUNN

Amazon Reviews for  BUNN NHS Velocity Brew 10-Cup Home Coffee Brewer
Rating:
3,096 Ratings
2,793 Reviews
("Ratings" vs. "Reviews")
5% of potentially unnatural reviews removed (why?)
Adjusted:
View/Edit Adjustment
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Report Info:
Last Updated: Dec 5, 2020
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Note: While Amazon.com claims 3,096 Ratings, we counted 2,793 Reviews available on their site.
Note: We only analyze "reviews" and ignore one-tap "ratings".

Report Card

Warn Overall Grade
FAIL Suspicious Reviewers
FAIL Phrase Repetition
FAIL Overlapping Review History
WARN Deleted Reviews
PASS Rating Trend
PASS Unverified Purchases
PASS Word Count Comparison
PASS Reviewer Participation
PASS Reviewer Ease
PASS Brand Repeats
PASS Incentivized Reviews

Most Trusted Reviews

I did not read any of the reviews just because ... [Go to full review]
May 1, 2011      
100% TRUST
  • Verified Purchaser
  • Brand Repeater (2 of 16 reviews for this brand; avg rating: 4.0)
  • Critical Reviewer (avg. rating: 3.8)


Least Trusted Reviews

I LOVE my Bunn coffee pots. I make coffee, brush ... [Go to full review]
Dec 5, 2015      
0% TRUST
  • Verified Purchaser
  • Contains repetitive phrases (show)
  • Take-Back Reviewer (1 deleted Review; avg. rating: 5.0)
  • Overlapping Review History: reviewed 1 of 9 top products
  • Easy Grader (avg. rating: 4.5)


Analysis Details

Fail Suspicious Reviewers

Take-Back Reviewers


954 of the 2,793 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 4.3 while the reviewers who don't have any deleted reviews in their history have rated this product an average of 4.0. 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.

from take-back reviewers

from reviewers without previously deleted reviews


4.3
4.0


Single-Day Reviewers


40 of the 2,793 reviewers have written multiple reviews but posted all of them on a single day. The Single-Day reviewers have rated this product an average of 4.6 while all other reviewers rated this product an average of 4.1. 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.

from single-day reviewers

from non-single-day reviewers


4.6
4.1


Read more about our Suspicious Reviewers test.

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:
303 reviews
(3.9/5)
58 reviews
(4.5/5)
226 reviews
(3.7/5)
61 reviews
(4.7/5)
104 reviews
(3.6/5)
42 reviews
(4.2/5)
36 reviews
(4.5/5)
40 reviews
(4.6/5)
27 reviews
(3.7/5)
29 reviews
(4.1/5)
Show MoreShow Less
Common Phrases in Titles:
328 reviews
(4.3/5)
144 reviews
(4.2/5)
78 reviews
(4.2/5)
87 reviews
(4.2/5)
66 reviews
(4.7/5)
47 reviews
(5.0/5)
Show MoreShow Less


463 of the 2,793 total reviews for this product use substantial repetitive phrases between them. These reviewers have rated this product an average of 4.4 while reviews without substantial repetitive phrases rated this product an average of 4.1. 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.

from reviews with substantial repetitive phrases

from reviews without substantial repetitive phrases


4.4
4.1


Read more about our Phrase Repetition test.

Fail Overlapping Review History
Reviewers of this product have ALSO reviewed the following products:

1% also reviewed:
Amazon Store Card by Synchrony Bank

Does not include products
from the same brand


126 of the 2,793 reviewers have substantial overlapping product review history. These reviewers have rated this product an average of 4.6 while the reviewers who have a more unique product review history rated this product an average of 4.1. 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.

from reviewers with substantial overlapping history

from reviewers without a substantial overlapping history


4.6
4.1


Read more about our Overlapping Review History test.

Warn Deleted Reviews

We discovered a total of 51 deleted Reviews for this product, with an average rating of 4.4. 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.

There are a few limitations to keep in mind regarding the Deleted Reviews test:
  1. 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.
  2. We have no information on reviews that were never published in the first place.
  3. 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.
Read more about our Deleted Reviews test.

4.4 average rating of deleted reviews

4.4


Show distribution of deleted reviews

Pass Rating Trend

  • 4%
  • Created over 22 days

We counted 2,793 reviews for this product over the span of 5,089 days, an average of 0.5 reviews per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 4 or fewer reviews on any given day.

However, we see the following 22 days exceeding this threshold:In total, we found that 115 reviews were created on just 22 days. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.

from reviews created on high volume days

from reviews created on normal volume days


4.1
4.1


Read more about our Rating Trend test.

Pass Unverified Purchases

337 of the 2,793 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.

from unverified purchasers

from verified purchases


3.6
4.2


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

  • 0%
  • 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.

Pass Reviewer Participation

  • 25%
  • 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 700 reviewers (or 25%) 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.

From reviewers with an overrepresented participation

From reviewers with a properly represented participation


3.9
4.2


Read more about our Reviewer Participation 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 4.2, while the average ease score for reviewers in this category is 4.2.

4.2 Product's Average Ease Score

4.2 Category's Average Ease Score


4.2
4.2


Read more about our Reviewer Ease test.


Pass Brand Repeats

Brand Repeaters


238 of the 2,793 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.

from Brand Repeaters

from Non-Repeaters


4.4
4.1


Read more about our Brand Repeats 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.


1 of the 2,793 total reviews for this product admitted to receiving a free or discounted product in exchange for a review. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.

from incentivized reviews

from non-incentivized reviews


5.0
4.1


Read more about our Incentivized Reviews test. Check out our study showing that Incentivized Reviewers are much more likely to leave a positive review.