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Lumen Naturals - Turmeric Curcumin with BioPerine - Organic Joint Pain Relief & Anti...
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From Lumen Naturals
This report was last updated 11/17/2022.
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Report Info:
Note: We only analyze "reviews" and ignore one-tap "ratings".
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Report Card
Pass Overall Grade
FAIL Deleted Reviews
FAIL Suspicious Reviewers
FAIL Overlapping Review History
WARN Rating Trend
WARN Reviewer Ease
WARN Word Count Comparison
PASS Unverified Purchases
PASS Phrase Repetition
PASS Brand Repeats
PASS Incentivized Reviews
N/A Reviewer Participation
Most Trusted Reviews
I take Lumen turmeric daily, helps my health in many ... [Go to full review]
Oct 9, 2022
100%
TRUST
TRUST
- Verified Purchaser
- Critical Reviewer (avg. rating: 4.2)
Least Trusted Reviews
Great product. No complaints [Go to full review]
Mar 14, 2016
0%
TRUST
TRUST
- Verified Purchaser
- Overrepresented word count (4 words)
- Take-Back Reviewer (1 deleted Review; avg. rating: 5.0)
- Overlapping Review History: reviewed 1 of 9 top products
- Easy Grader (avg. rating: 5.0)
Analysis Details
Fail Deleted Reviews
We discovered a total of 234 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:
- 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.
Fail Suspicious Reviewers
Never-Verified Reviewers
Less than approximately 10% of reviewers have never written a verified purchase review. The Never-Verified Reviewers have rated this product an average of 3.0 while the reviewers who have written at least one verified purchase review 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.
Take-Back Reviewers
Approximately 50% of 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, it does not appear to have a significant impact on the overall rating.
Fail Overlapping Review History
Reviewers of this product have ALSO reviewed the following products:
<10% also reviewed:
Penetrex Joint & Muscle Therapy Roll On... by Penetrex
<10% also reviewed:
WindowAlert Classic Square Anti-Collision Decal -... by WindowAlert
<10% also reviewed:
UltraFire 7w 300lm Mini Cree Led Flashlight Torch... by ULTRAFIRE
<10% also reviewed:
Episode 5 by Julian Fellowes
<10% also reviewed:
AAA Duracell Batteries by Duracell
<10% also reviewed:
Wet Noses Pumpkin 14 oz by Wet Noses
<10% also reviewed:
Downton Abbey The Final Season by Maggie Smith
<10% also reviewed:
Fire HD 8 Tablet | Hands-Free with Alexa |... by Amazon
Does not include products
from the same brand
from the same brand
Approximately 20% of reviewers have substantial overlapping product review history. These reviewers have rated this product an average of 4.9 while the reviewers who have a more unique product review history rated this product an average of 4.7. 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.
Warn Rating Trend
It appears that several reviews were created during just a short period of time.
Read more about our Rating Trend test.
Read more about our Rating Trend test.
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 4.6, 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.
4.6 Product's Average Ease Score
4.3 Category's Average Ease Score
Read more about our Reviewer Ease test.
Warn Word Count Comparison
-
- ~45%
- 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 approximately 45% 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.
Pass Unverified Purchases
138 of the 845 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:
~3% of reviews
(5.0/5)
(5.0/5)
~3% of reviews
(4.5/5)
(4.5/5)
Common Phrases in Titles:
~3% of reviews
(5.0/5)
(5.0/5)
Less than approximately 10% of reviews 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 Brand Repeats
Brand Repeaters
We didn't detect a substantial amount of Brand Repeaters.
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.
-
- <10%
- 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.