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Amazon.com > Grocery & Gourmet Food > Beverages > Bottled Beverages, Water & Drink Mixes > Water > Carbonated Water
Perrier Sparkling Natural Mineral Water, 16.9-ounce plastic bottles (Pack of 6)
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From Perrier
This report was last updated 5/3/2017.
Refresh the report to view the most up-to-date data available:
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Report Info:
Last Updated: May 3, 2017
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Note: We only analyze "reviews" and ignore one-tap "ratings".
Top products in Carbonated Water with authentic reviews:
Report Card
Pass Overall Grade
FAIL
Suspicious Reviewers

WARN
Reviewer Ease

WARN
Word Count Comparison

WARN
Reviewer Participation

PASS
Rating Trend

PASS
Unverified Purchases

PASS
Phrase Repetition

PASS
Overlapping Review History

PASS
Brand Repeats

PASS
Incentivized Reviews

PASS
Deleted Reviews

Most Trusted Reviews
Oh I'm here so I'll write something. Plastic. OK. It's ... [Go to full review]
Sep 11, 2016
100%
TRUST
TRUST
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Verified Purchaser
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Overlapping Review History: reviewed 1 of 9 top products
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Critical Reviewer (avg. rating: 4.0)
Least Trusted Reviews
We couldn't find any low-quality reviews
Analysis Details
Fail
Suspicious Reviewers

Take-Back Reviewers
26 of the 74 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.
Warn
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.
Warn
Word Count Comparison

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- 42%
- 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 31 reviews (or 42%) are within an overrepresented word count group. While this is more reviews from overrepresented word count groups than we'd expect to see, these reviews do not appear to have a significant impact on the overall rating.
Warn
Reviewer Participation

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- 36%
- 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 27 reviewers (or 36%) are within an overrepresented participation group. While this is more reviews from overrepresented participation groups than we'd expect to see, the discrepancy in ratings between reviewers in an overrepresented participation groups and all other reviewers isn’t significant enough to rule out the possibility of it being due to random chance.
Pass
Rating Trend

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- 0%
- Created on high-volume days
We counted 74 reviews for this product over the span of 584 days, an average of 0.1 reviews per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 2 or fewer reviews on any given day. We didn't find any days exceeding this threshold.
Read more about our Rating Trend test.
Read more about our Rating Trend test.
Pass
Unverified Purchases

13 of the 74 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.
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
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
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- 0%
- Used substantial repetitive phrases
0 of the 74 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.
Read more about our Phrase Repetition test.
Pass
Overlapping Review History

Reviewers of this product have ALSO reviewed the following products:
8% also reviewed:
Brawny Paper Towels, White, 2 Count by Brawny
7% also reviewed:
Amazon Store Card by Synchrony Bank
7% also reviewed:
Kleenex Ultra Soft & Strong Facial Tissues, 3... by Kleenex
5% also reviewed:
Amazon Echo by Amazon
5% also reviewed:
Q-tips Cotton Swabs, Club Pack 1875 ct (Pack of 3) by Q-tips
5% also reviewed:
Burt's Bees 100% Natural Moisturizing Lip... by Burt's Bees
21 of the 74 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
Brand Repeats

Brand Repeaters
8 of the 74 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.
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.
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- 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.
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:
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.