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Leather Machine Needles-Size 16/100 5/Pkg
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This report was last updated 4/25/2017.
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Last Updated: Apr 25, 2017
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Note: We only analyze "reviews" and ignore one-tap "ratings".
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Warn Overall Grade
FAIL
Unverified Purchases
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FAIL
Suspicious Reviewers
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FAIL
Reviewer Ease
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FAIL
Overlapping Review History
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WARN
Word Count Comparison
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WARN
Phrase Repetition
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WARN
Reviewer Participation
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PASS
Rating Trend
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PASS
Brand Repeats
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PASS
Incentivized Reviews
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PASS
Deleted Reviews
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Most Trusted Reviews
Used these on real leather and had a perfect outcome, ... [Go to full review]
Oct 18, 2016
100%
TRUST
TRUST
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Verified Purchaser
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Take-Back Reviewer (4 deleted Reviews; avg. rating: 3.8)
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Brand Repeater (2 of 119 reviews for this brand; avg rating: 5.0)
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Critical Reviewer (avg. rating: 3.9)
Least Trusted Reviews
I ordered 2 different size leather needles, only got one, ... [Go to full review]
Apr 20, 2017
0%
TRUST
TRUST
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Unverified Purchaser
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Overrepresented word count (18 words)
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Never-Verified Reviewer
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Critical Reviewer (avg. rating: 1.3)
Analysis Details
Fail
Unverified Purchases
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6 of the 86 total reviews for this product are unverified purchases. The unverified purchasers have rated this product an average of 3.8 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
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Never-Verified Reviewers
1 of the 86 reviewers have never written a verified purchase review. The Never-Verified Reviewers have rated this product an average of 1.0 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
17 of the 86 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.
Fail
Reviewer Ease
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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. 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.
4.6 Product's Average Ease Score
4.3 Category's Average Ease Score
Read more about our Reviewer Ease test.
Fail
Overlapping Review History
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Reviewers of this product have ALSO reviewed the following products:
7% also reviewed:
SE 7924LP 2.0mm-5.0mm Leather Hole Punch Tool... by SE
5% also reviewed:
Brother XL2600I Sew Advance Sew Affordable... by Brother
3% also reviewed:
Fiskars Classic (45mm) Comfort Loop Rotary... by Fiskars
3% also reviewed:
Certified Refurbished Amazon Fire TV (Previous... by Amazon Renewed
3% also reviewed:
Azio Large Print Backlit Wired Keyboard by Azio
3% also reviewed:
BEADNOVA 4-10mm Gemstone Round Loose Beads for... by BEADNOVA
22 of the 86 reviewers have substantial overlapping product review history. These reviewers have rated this product an average of 5.0 while the reviewers who have a more unique product review history rated this product an average of 4.6. 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
Word Count Comparison
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- 64%
- 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 2 groups with a statistically significant greater concentration than what we'd expect to see:In total, we found that 55 reviews (or 64%) are within an overrepresented word count group. This is an excessively high number of reviews in overrepresented word count groups.
Warn
Phrase Repetition
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Reviews that contain one of these phrases are NOT necessarily devalued; read more about how this test works here.
15 of the 86 total reviews for this product use substantial repetitive phrases between them. While this is more than we'd expect to see, the discrepancy in ratings between the these reviews and reviews without substantial repetitive phrases isn't significant enough to rule out the possibility of it being due to random chance.
Warn
Reviewer Participation
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- 56%
- 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 48 reviewers (or 56%) are within an overrepresented participation group. This is an excessively high number of reviewers in overrepresented participation groups.
Pass
Rating Trend
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- 0%
- Created on high-volume days
We counted 86 reviews for this product over the span of 2,425 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 2 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
Brand Repeats
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Brand Repeaters
3 of the 86 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.