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Kaytee Chew-Proof Water Bottle
More product info From Kaytee

Amazon Reviews for  Kaytee Chew-Proof Water Bottle
Rating:
433 Ratings
13 Reviews
("Ratings" vs. "Reviews")
31% of potentially unnatural reviews removed (why?)
Adjusted:
View/Edit Adjustment
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Report Info:
Last Updated: Dec 4, 2018
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Note: While Amazon.com claims 433 Ratings, we counted 13 Reviews available on their site.
Note: We only analyze "reviews" and ignore one-tap "ratings".

Report Card

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

Most Trusted Reviews

This is a nice, sturdy glass bottle, with a spring ... [Go to full review]
Sep 25, 2009     1 of 3 found this helpful.  
100% TRUST
  • Verified Purchaser
  • Take-Back Reviewer (76 deleted Reviews; avg. rating: 3.4)
  • Brand Repeater (2 of 242 reviews for this brand; avg rating: 2.0)
  • Critical Reviewer (avg. rating: 3.8)


Least Trusted Reviews

WHY I CHOSE THIS BOTTLE I chose this bottle because ... [Go to full review]
Nov 26, 2009     11 of 15 found this helpful.  
45% TRUST
  • Unverified Purchaser
  • Take-Back Reviewer (424 deleted Reviews; avg. rating: 4.3)
  • Brand Repeater (6 of 5464 reviews for this brand; avg rating: 4.5)
  • Overlapping Review History: reviewed 8 of 9 top products
  • Easy Grader (avg. rating: 4.3)


Analysis Details

Fail Suspicious Reviewers

Take-Back Reviewers


5 of the 13 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.

from take-back reviewers

from reviewers without previously deleted reviews


2.2
1.6


Read more about our Suspicious Reviewers test.

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

Does not include products
from the same brand


2 of the 13 reviewers have substantial overlapping product review history. These reviewers have rated this product an average of 4.0 while the reviewers who have a more unique product review history rated this product an average of 1.5. 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.

from reviewers with substantial overlapping history

from reviewers without a substantial overlapping history


4.0
1.5


Read more about our Overlapping Review History test.

Warn Unverified Purchases

10 of the 13 total reviews for this product are unverified purchases. While this is a higher percentage of unverified purchases than we'd expect to see, it does not appear to have a significant impact on the overall rating.

from unverified purchasers

from verified purchases


1.8
2.0


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.

Warn Brand Repeats

Brand Repeaters


4 of the 13 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.

from Brand Repeaters

from Non-Repeaters


2.0
1.8


Read more about our Brand Repeats test.

Warn 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:
2 reviews
(2.5/5)
2 reviews
(2.5/5)
2 reviews
(2.5/5)
2 reviews
(1.0/5)
Show MoreShow Less


2 of the 13 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 reviews with substantial repetitive phrases

from reviews without substantial repetitive phrases


2.5
1.7


Read more about our Phrase Repetition test.

Pass Rating Trend

  • 0%
  • Created over 6 days
We counted 13 reviews for this product over the span of 2,920 days, an average of 0.0 reviews per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 1 or fewer reviews on any given day.

However, we see the following 6 days exceeding this threshold:In total, we found that 0 reviews were created on just 6 days. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.
Read more about our Rating Trend 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

  • 0%
  • From reviewers with an overrepresented participation
We didn't find any participation groups that had a statistically significant greater concentration than what we'd expect to see in this category.
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 3.6, while the average ease score for reviewers in this category is 4.2.

3.6 Product's Average Ease Score

4.2 Category's Average Ease Score


3.6
4.2


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.

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:
  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.