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Bayer Advantage II Flea Control Treatment for Cats From Bayer Report Feedback

Warn Unnatural reviews possible

Original:

8,768 Reviews

Adjusted:

3 Reviews

Rank in: Flea Drops
67%
67%

View/Edit Adjustment
How is this calculated
Report Last Updated: Aug 27, 2018
Show Report History
Update Available
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Report Card

Click a test to jump to details

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

excellent product [Go to full review]
Mar 18, 2015      
85% TRUST
  • Verified Purchaser
  • Take-Back Reviewer (14 deleted reviews; avg. rating: 4.9)
  • Overlapping Review History: reviewed 3 of 9 top products
  • Easy Grader (avg. rating: 4.9)


Least Trusted Reviews

Does not work. Called for a refund, the reps were ... [Go to full review]
Nov 6, 2016      
0% TRUST
  • Unverified Purchaser
  • One-Hit Wonder
  • Never-Verified Reviewer
  • Critical Reviewer (avg. rating: 1.0)


Analysis Details

Note: While Amazon.com claims 8,768 reviews, we counted 5 available on their site.

Fail Suspicious Reviewers

One-Hit Wonders


1 of the 5 reviewers has only reviewed this product. While this is more One-Hit Wonders than we'd expect to see, it does not appear to have a significant impact on the overall rating.

from one-hit wonders

from reviewers with more than one review


1.0
5.0


Never-Verified Reviewers


1 of the 5 reviewers has never written a verified purchase review. While this is more Never-Verified Reviewers than we'd expect to see, it does not appear to have a significant impact on the overall rating.

from never-verified reviewers

from reviewers with at least one verified purchase review


1.0
5.0


Take-Back Reviewers


3 of the 5 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


5.0
3.0


Single-Day Reviewers


1 of the 5 reviewers has written multiple reviews but posted all of them on a single day. While this is more Single-Day Reviewers than we'd expect to see, the discrepancy in ratings between the Single-Day Reviewers and all other reviewers isn't significant enough to rule out the possibility of it being due to random chance.

from single-day reviewers

from non-single-day reviewers


5.0
4.0


Read more about our Suspicious Reviewers test.

Warn Brand Repeats

Brand Repeaters


2 of the 5 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


5.0
3.7


Read more about our Brand Repeats test.

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

Does not include products
from the same brand


4 of the 5 reviewers have substantial overlapping product review history. This is an excessively large percentage which may indicate unnatural reviews.

from reviewers with substantial overlapping history

from reviewers without a substantial overlapping history


5.0
1.0


Read more about our Overlapping Review History test.

Pass Rating Trend

  • 0%
  • Created on high-volume days
We counted 5 reviews for this product over the span of 1,517 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. We didn't find any days exceeding this threshold.
Read more about our Rating Trend test.

Pass Unverified Purchases

2 of the 5 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


3.0
5.0


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.

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 Phrase Repetition
  • 0%
  • Used substantial repetitive phrases
0 of the 5 total reviews for this product 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.
Read more about our Phrase Repetition 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 4.1, while the average ease score for reviewers in this category is 4.2.

4.1 Product's Average Ease Score

4.2 Category's Average Ease Score


4.1
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, or 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 the Deleted Reviews test here.


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