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Jade Leaf Matcha Green Tea Powder - USDA Organic - Ceremonial Grade (For Sipping as Tea) -...
More product info From Jade Leaf Matcha


Rating:
813 Reviews
100% of potentially unnatural reviews removed (Why?)
Adjusted:
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Report Info:
Last Updated: Aug 31, 2018
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Note: While Amazon.com claims 813 reviews, we counted 10 available on their site.

Report Card

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

Other analysis for this product:

Most Trusted Reviews

I am not a matcha tea expert or connoisseur by ... [Go to full review]
Aug 13, 2016      
55% TRUST
  • Verified Purchaser
  • Admitted to receiving an incentive
  • Take-Back Reviewer (28 deleted reviews; avg. rating: 4.9)
  • Brand Repeater (2 of 42 reviews for this brand; avg rating: 5.0)
  • Easy Grader (avg. rating: 4.3)


Least Trusted Reviews

I received this product at discount in exchange for my ... [Go to full review]
Aug 30, 2016      
0% TRUST
  • Unverified Purchaser
  • Created on a high volume day
  • Admitted to receiving an incentive
  • Take-Back Reviewer (21 deleted reviews; avg. rating: 5.0)
  • Brand Loyalist (2 of 4 reviews for this brand; avg rating: 5.0)
  • Easy Grader (avg. rating: 4.8)


Analysis Details

Fail Brand Repeats

Brand Repeaters


5 of the 10 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
4.8


Brand Loyalists


1 of the 10 reviewers has reviewed multiple products but half or more of their reviews are for this brand. This is an excessively large percentage of Brand Loyalists which may indicate unnatural reviews.

from Brand Loyalists

from Non-Loyalists


5.0
4.9


Read more about our Brand Repeats test.

Fail Suspicious Reviewers

One-Hit Wonders


1 of the 10 reviewers has only reviewed this product. While this is more One-Hit Wonders than we'd expect to see, the discrepancy in ratings between the One-Hit Wonders and reviewers who have posted more than one review isn't significant enough to rule out the possibility of it being due to random chance.

from one-hit wonders

from reviewers with more than one review


5.0
4.9


Take-Back Reviewers


8 of the 10 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


4.9
5.0


Read more about our Suspicious Reviewers test.

Fail 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 4.7, while the average ease score for reviewers in this category is 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.

4.7 Product's Average Ease Score

4.3 Category's Average Ease Score


4.7
4.3


Read more about our Reviewer Ease test.


Warn Rating Trend

  • 20%
  • Created over 1 day

We counted 10 reviews for this product over the span of 349 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 1 day exceeding this threshold:In total, we found that 2 reviews were created on just 1 day. This is an excessively high number of reviews submitted on these high volume days.

from reviews created on high volume days

from reviews created on normal volume days


5.0
4.9


Read more about our Rating Trend test.

Warn Unverified Purchases

8 of the 10 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


4.9
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.

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


10 of the 10 total reviews for this product admitted to receiving a free or discounted product in exchange for a review. This is an excessively large percentage of incentivized reviews which may indicate unnatural reviews.

from incentivized reviews

from non-incentivized reviews


4.9
N/A


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 Word Count Comparison

  • 0%
  • 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 0 reviews (or 0%) are within an overrepresented word count group. 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 Word Count Comparison 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
(5.0/5)
2 reviews
(5.0/5)

  • 0%
  • Used substantial repetitive phrases
0 of the 10 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 Overlapping Review History
Reviewers of this product have ALSO reviewed the following products:



4 of the 10 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.

from reviewers with substantial overlapping history

from reviewers without a substantial overlapping history


4.8
5.0


Read more about our Overlapping Review History 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 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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