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Bai Flavored Water, Mountainside Variety Pack, Antioxidant Infused Drinks, 18 Fluid Ounce Bottles,...
More product info From Bai

Amazon Reviews for  Bai Flavored Water, Mountainside Variety Pack, Antioxidant Infused Drinks, 18 Fluid Ounce Bottles, 12 Count, 3 each of Tanzania Lemonade Tea, Ipanema Pomegranate, Molokai Coconut, Panama Peach
Rating:
12,009 Ratings
5,345 Reviews
("Ratings" vs. "Reviews")
4% of potentially unnatural reviews removed (why?)
Adjusted:
View/Edit Adjustment
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Report Info:
Last Updated: Oct 24, 2020
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Note: While Amazon.com claims 12,009 Ratings, we counted 5,345 Reviews available on their site.
Note: We only analyze "reviews" and ignore one-tap "ratings".

Report Card

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

Most Trusted Reviews

Very nice flavor, not sweet, not tart, good balance. Good ... [Go to full review]
Apr 8, 2018      
100% TRUST
  • Verified Purchaser
  • Brand Repeater (3 of 31 reviews for this brand; avg rating: 5.0)
  • Easy Grader (avg. rating: 4.7)


Least Trusted Reviews

Jun 18, 2016      
0% TRUST
  • Verified Purchaser
  • Overrepresented word count (1 word)
  • Take-Back Reviewer (2 deleted Reviews; avg. rating: 5.0)
  • Overlapping Review History: reviewed 2 of 9 top products
  • Easy Grader (avg. rating: 4.4)


Analysis Details

Fail Suspicious Reviewers

Take-Back Reviewers


2,527 of the 5,345 reviewers have had at least one of their past reviews for another product deleted. While this is more Take-Back Reviewers than we'd expect to see, the discrepancy in ratings between the Take-Back Reviewers and reviewers who don't have any deleted reviews in their history isn't significant enough to rule out the possibility of it being due to random chance.

from take-back reviewers

from reviewers without previously deleted reviews


4.4
4.3


Single-Day Reviewers


98 of the 5,345 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 4.7 while all other reviewers rated this product an average of 4.3. 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


4.7
4.3


Read more about our Suspicious Reviewers test.

Fail Word Count Comparison

  • 25%
  • 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 1,343 reviews (or 25%) are within an overrepresented word count group. These reviews have rated this product an average of 4.7, while all other reviews have rated this product an average of 4.2. 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


4.7
4.2


Read more about our Word Count Comparison test.

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

2% also reviewed:
Amazon Store Card by Synchrony Bank

Does not include products
from the same brand


654 of the 5,345 reviewers have substantial overlapping product review history. These reviewers have rated this product an average of 4.4 while the reviewers who have a more unique product review history rated this product an average of 4.3. 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


4.4
4.3


Read more about our Overlapping Review History test.

Warn Deleted Reviews

We discovered a total of 74 deleted Reviews for this product, with an average rating of 4.7. 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.

4.7 average rating of deleted reviews

4.7


Show distribution of deleted reviews

Pass Rating Trend

  • 4%
  • Created over 22 days

We counted 5,345 reviews for this product over the span of 3,423 days, an average of 1.6 reviews per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 7 or fewer reviews on any given day.

However, we see the following 22 days exceeding this threshold:In total, we found that 201 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


4.4
4.3


Read more about our Rating Trend test.

Pass Unverified Purchases

986 of the 5,345 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


4.0
4.4


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
  • 0%
  • Used substantial repetitive phrases
0 of the 5,345 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

  • 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 1337 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


4.3
4.3


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 4.3, while the average ease score for reviewers in this category is 4.3.

4.3 Product's Average Ease Score

4.3 Category's Average Ease Score


4.3
4.3


Read more about our Reviewer Ease test.


Pass Brand Repeats

Brand Repeaters


1,033 of the 5,345 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


4.6
4.2


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 5,345 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
4.3


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