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Japanese Knotweed Natural Extract Tincture (Polygonum Cuspidatum)
More product info
From Montana Farmacy
This report was last updated 4/24/2021.
Refresh the report to view the most up-to-date data available:
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Report Info:
Note: While Amazon.com claims 128 Ratings, we counted 51 Reviews available on their site.
Note: We only analyze "reviews" and ignore one-tap "ratings".
Note: We only analyze "reviews" and ignore one-tap "ratings".
Top products in Single Homeopathic Remedies with authentic reviews:
Report Card
Pass Overall Grade
FAIL
Unverified Purchases
![](/public/imgs/reviewmeta/vp-icon.png)
FAIL
Suspicious Reviewers
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WARN
Word Count Comparison
![](/public/imgs/reviewmeta/wc-icon.png)
PASS
Rating Trend
![](/public/imgs/reviewmeta/rt-icon.png)
PASS
Phrase Repetition
![](/public/imgs/reviewmeta/pr-icon.png)
PASS
Overlapping Review History
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PASS
Reviewer Participation
![](/public/imgs/reviewmeta/ex-icon.png)
PASS
Reviewer Ease
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PASS
Brand Repeats
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PASS
Incentivized Reviews
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PASS
Deleted Reviews
![](/public/imgs/reviewmeta/dl-icon.png)
Most Trusted Reviews
I got for my husband Lyme Disease. I saw great ... [Go to full review]
Sep 6, 2016
100%
TRUST
TRUST
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Verified Purchaser
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Contains repetitive phrases (
show)
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Take-Back Reviewer (2 deleted Reviews; avg. rating: 3.5)
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Easy Grader (avg. rating: 4.4)
Least Trusted Reviews
I am still not sure what it does, but was ... [Go to full review]
Feb 6, 2019
0%
TRUST
TRUST
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Unverified Purchaser
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Take-Back Reviewer (1 deleted Review; avg. rating: 2.0)
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Brand Repeater (2 of 11 reviews for this brand; avg rating: 4.0)
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Overrepresented Participation (posted 11 Reviews)
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Easy Grader (avg. rating: 4.6)
Analysis Details
Fail
Unverified Purchases
![](/public/imgs/reviewmeta/vp-icon.png)
2 of the 51 total reviews for this product are unverified purchases. The unverified purchasers have rated this product an average of 2.0 while the verified purchasers have rated this product an average of 4.8. 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.
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
Suspicious Reviewers
![](/public/imgs/reviewmeta/su-icon.png)
Take-Back Reviewers
27 of the 51 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
Word Count Comparison
![](/public/imgs/reviewmeta/wc-icon.png)
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- 33%
- 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 17 reviews (or 33%) are within an overrepresented word count group. While this is more reviews from overrepresented word count groups than we'd expect to see, the discrepancy in ratings between reviews with overrepresented word groups and all other reviews 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 51 reviews for this product over the span of 2,419 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.
Read more about our Rating Trend test.
Pass
Phrase Repetition
![](/public/imgs/reviewmeta/pr-icon.png)
Reviews that contain one of these phrases are NOT necessarily devalued; read more about how this test works here.
Common Phrases in Titles:
2 reviews
(5.0/5)
(5.0/5)
3 reviews
(4.3/5)
(4.3/5)
2 reviews
(4.0/5)
(4.0/5)
4 of the 51 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.
Pass
Overlapping Review History
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Reviewers of this product have ALSO reviewed the following products:
10% also reviewed:
Cryptolepis Sanguinolenta Natural Extract Tincture by Montana Farmacy
8% also reviewed:
Gya Labs Manuka Essential Oil - Promotes Healthy... by Gya Labs
6% also reviewed:
Healing Lyme: Natural Healing and Prevention of... by Brand: Raven Press
6% also reviewed:
Great Lakes Wellness Collagen Peptides Powder... by Great Lakes Wellness
6% also reviewed:
NOW Foods Selenium 200 mcg VCaps, 180 ct by Now Foods
6% also reviewed:
Smackfat Keto Strips - Keto Strips Urine Test -... by Smackfat
6% also reviewed:
Stella & Chewy’s Freeze Dried Raw... by Stella & Chewy's
Does not include products
from the same brand
from the same brand
16 of the 51 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
Reviewer Participation
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- 27%
- 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 14 reviewers (or 27%) 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.
Pass
Reviewer Ease
![](/public/imgs/reviewmeta/sc-icon.png)
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.
Pass
Brand Repeats
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Brand Repeaters
3 of the 51 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
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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
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- 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.