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Zuke's Puppy Naturals Puppy Treats Lamb and Chickpea Recipe - 5 Oz Bag
More product info From Zuke's

Amazon Reviews for  Zuke's Puppy Naturals Puppy Treats Lamb and Chickpea Recipe - 5 Oz Bag
Rating:
4,710 Ratings
760 Reviews
("Ratings" vs. "Reviews")
64% of potentially unnatural reviews removed (why?)
Adjusted:
View/Edit Adjustment
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Report Info:
Last Updated: Jun 2, 2021
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Note: While Amazon.com claims 4,710 Ratings, we counted 760 Reviews available on their site.
Note: We only analyze "reviews" and ignore one-tap "ratings".

Report Card

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

Most Trusted Reviews

I have a yorkie puppy and these are just too ... [Go to full review]
Jul 6, 2020      
100% TRUST
  • Verified Purchaser
  • Critical Reviewer (avg. rating: 3.5)


Least Trusted Reviews

Mickey loved these and they were great training size. [Go to full review]
Sep 22, 2016      
0% TRUST
  • Unverified Purchaser
  • Created on a high volume day
  • Overrepresented word count (9 words)
  • Never-Verified Reviewer
  • Take-Back Reviewer (1 deleted Review; avg. rating: 5.0)
  • Overlapping Review History: reviewed 1 of 9 top products
  • Overrepresented Participation (posted 3 Reviews)
  • Easy Grader (avg. rating: 4.7)


Analysis Details

Fail Deleted Reviews

We discovered a total of 215 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

Fail Rating Trend

  • 44%
  • Created over 7 days

We counted 760 reviews for this product over the span of 1,791 days, an average of 0.4 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 7 days exceeding this threshold:In total, we found that 337 reviews were created on just 7 days. The reviews on these high volume days have rated this product an average of 4.4 while reviews from other days have rated this product an average of 3.5. 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 reviews created on high volume days

from reviews created on normal volume days


4.4
3.5


Read more about our Rating Trend test.

Fail Unverified Purchases

379 of the 760 total reviews for this product are unverified purchases. The unverified purchasers have rated this product an average of 4.4 while the verified purchasers have rated this product an average of 3.5. 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 unverified purchasers

from verified purchases


4.4
3.5


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 Incentivized Reviews
On Oct 3, 2016, Amazon prohibited incentivized reviews, however we still test for them since there are still millions in our dataset.


14 of the 760 total reviews for this product admitted to receiving a free or discounted product in exchange for a review. Incentivized reviews have rated this product an average of 4.8 while reviews that were not incentivized 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.

from incentivized reviews

from non-incentivized reviews


4.8
3.9


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

Fail Suspicious Reviewers

Never-Verified Reviewers


101 of the 760 reviewers have never written a verified purchase review. The Never-Verified Reviewers have rated this product an average of 4.4 while the reviewers who have written at least one verified purchase review rated this product an average of 3.8. 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 never-verified reviewers

from reviewers with at least one verified purchase review


4.4
3.8


Take-Back Reviewers


356 of the 760 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 4.1 while the reviewers who don't have any deleted reviews in their history have rated this product an average of 3.7. 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


4.1
3.7


Read more about our Suspicious Reviewers test.

Fail Word Count Comparison

  • 29%
  • 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 217 reviews (or 29%) are within an overrepresented word count group. These reviews have rated this product an average of 4.2, while all other reviews have rated this product an average of 3.8. 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 an overrepresented word count

from reviews with a properly represented word count


4.2
3.8


Read more about our Word Count Comparison 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:
15 reviews
(4.2/5)
21 reviews
(4.7/5)
22 reviews
(4.6/5)
16 reviews
(4.6/5)
15 reviews
(4.7/5)
8 reviews
(4.8/5)
9 reviews
(4.9/5)
17 reviews
(4.4/5)
16 reviews
(3.6/5)
7 reviews
(4.7/5)
Show MoreShow Less
Common Phrases in Titles:
9 reviews
(4.7/5)
19 reviews
(4.8/5)
6 reviews
(4.8/5)
16 reviews
(4.1/5)
14 reviews
(4.9/5)
8 reviews
(4.8/5)
16 reviews
(4.8/5)
Show MoreShow Less


114 of the 760 total reviews for this product use substantial repetitive phrases between them. These reviewers have rated this product an average of 4.7 while reviews without substantial repetitive phrases rated this product an average of 3.8. 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


4.7
3.8


Read more about our Phrase Repetition test.

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

Does not include products
from the same brand


108 of the 760 reviewers have substantial overlapping product review history. These reviewers have rated this product an average of 4.1 while the reviewers who have a more unique product review history 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.

from reviewers with substantial overlapping history

from reviewers without a substantial overlapping history


4.1
3.9


Read more about our Overlapping Review History test.

Warn Reviewer Participation

  • 63%
  • From reviewers with an overrepresented participation

We see the following 2 participation groups with a statistically significant greater concentration than what we'd expect to see:In total, we found that 477 reviewers (or 63%) are within an overrepresented participation group. This is an excessively high number of reviewers in overrepresented participation groups.

From reviewers with an overrepresented participation

From reviewers with a properly represented participation


3.8
4.1


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 4.3.

4.2 Product's Average Ease Score

4.3 Category's Average Ease Score


4.2
4.3


Read more about our Reviewer Ease test.


Pass Brand Repeats

Brand Repeaters

We didn't detect a substantial amount of Brand Repeaters.