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Life Extension Black Cumin Seed Oil Softgels, 100 Count
More product info
This report was last updated 8/12/2023.
Refresh the report to view the most up-to-date data available:
Refresh the report to view the most up-to-date data available:
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Note: We only analyze "reviews" and ignore one-tap "ratings".
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Report Card
Pass Overall Grade
FAIL 
Deleted Reviews
Deleted ReviewsFAIL Suspicious Reviewers
Suspicious ReviewersFAIL Phrase Repetition
Phrase RepetitionPASS Rating Trend
Rating TrendPASS Unverified Purchases
Unverified PurchasesPASS Word Count Comparison
Word Count ComparisonPASS Overlapping Review History
Overlapping Review HistoryPASS Reviewer Ease
Reviewer EasePASS Brand Repeats
Brand RepeatsPASS Incentivized Reviews
Incentivized ReviewsN/A Reviewer Participation
Reviewer Participation
Most Trusted Reviews
I was so excited to try these out and was ... [Go to full review]
Feb 2, 2023
100%
TRUST
TRUST
-
Verified Purchaser
-
Critical Reviewer (avg. rating: 3.8)
One-Hit Wonder
Unverified Purchaser
Never-Verified Reviewer
Least Trusted Reviews
Seems to be working. I’m taking for oral teeth health. [Go to full review]
Feb 25, 2023
5%
TRUST
TRUST
-
Verified Purchaser
-
Contains repetitive phrases (show)
-
Take-Back Reviewer (1 deleted Review; avg. rating: 5.0) -
Overlapping Review History: reviewed 2 of 9 top products -
Easy Grader (avg. rating: 4.7)
Overrepresented Participation (posted 20 Reviews)
Brand Repeater (4 of 31 reviews for this brand; avg rating: 5.0)
Analysis Details
Fail Deleted Reviews
Deleted Reviews
We discovered a total of 17 deleted Reviews for this product, with an average rating of 4.3. 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.
4.3 average rating of deleted reviews
Fail Suspicious Reviewers
Suspicious Reviewers
Take-Back Reviewers
Approximately 35% of reviewers have had at least one of their past reviews for another product deleted. The Take-Back Reviewers have rated this product an average of 4.2 while the reviewers who don't have any deleted reviews in their history have rated this product an average of 3.3. 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.
Fail Phrase Repetition
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:
~8% of reviews
(4.5/5)
(4.5/5)
Approximately 60% of reviews use substantial repetitive phrases between them. These reviewers have rated this product an average of 4.1 while reviews without substantial repetitive phrases rated this product an average of 3.0. 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.
Pass Rating Trend
Rating Trend
-
- <10%
- Created on high-volume days
We didn't notice any signals that would indicate reviews were created unevenly over time.
Read more about our Rating Trend test.
Read more about our Rating Trend test.
Pass Unverified Purchases
Unverified Purchases
10 of the 1,036 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 Word Count Comparison
Word Count Comparison
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- <10%
- Have an overrepresented word count
We didn't find any review word count groups that had a statistically significant greater concentration than what we'd expect to see in this category.
Read more about our Word Count Comparison test.
Read more about our Word Count Comparison test.
Pass Overlapping Review History
Overlapping Review History
Reviewers of this product have ALSO reviewed the following products:
<10% also reviewed:
SOLARAY Quercetin 500 mg, Supports Sinus,... by SOLARAY
<10% also reviewed:
NOW Supplements, L-Tyrosine 500 mg, Supports... by NOW
<10% also reviewed:
Life Extension DHEA - For Hormone Balance, Immune... by Life Extension
<10% also reviewed:
BonBon Professional 18" x 12"... by BONBON
<10% also reviewed:
Weiman Cook Top Max Cleaner and Polish 9 oz by Weiman
<10% also reviewed:
Ancestral Supplements Grass Fed Beef Lung... by Ancestral Supplements
<10% also reviewed:
Catstages Chase Meowtain Interactive 4-Tier Cat... by Catstages
<10% also reviewed:
MIZGI Premium Velvet Hangers (Pack of 50)... by MIZGI
Does not include products
from the same brand
from the same brand
Approximately 30% of 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 Ease
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 4.1, while the average ease score for reviewers in this category is 4.3.
4.1 Product's Average Ease Score
4.3 Category's Average Ease Score
Read more about our Reviewer Ease test.
Pass Brand Repeats
Brand Repeats
Brand Repeaters
Less than approximately 10% of 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
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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- <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.