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NUK Replacement Silicone Spout, Clear 2 Pack
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From NUK
This report was last updated 7/3/2017.
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Report Info:
Last Updated: Jul 3, 2017
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Note: We only analyze "reviews" and ignore one-tap "ratings".
Report Card
Pass Overall Grade
FAIL
Suspicious Reviewers
![](/public/imgs/reviewmeta/su-icon.png)
FAIL
Word Count Comparison
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WARN
Reviewer Ease
![](/public/imgs/reviewmeta/sc-icon.png)
WARN
Phrase Repetition
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WARN
Reviewer Participation
![](/public/imgs/reviewmeta/ex-icon.png)
PASS
Rating Trend
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PASS
Unverified Purchases
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PASS
Overlapping Review History
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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
my daughter chews the top and the holes get huge ... [Go to full review]
Jun 22, 2015
100%
TRUST
TRUST
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Verified Purchaser
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Take-Back Reviewer (4 deleted Reviews; avg. rating: 4.0)
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Brand Repeater (2 of 133 reviews for this brand; avg rating: 3.5)
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Overlapping Review History: reviewed 2 of 9 top products
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Critical Reviewer (avg. rating: 4.0)
Least Trusted Reviews
We couldn't find any low-quality reviews
Analysis Details
Fail
Suspicious Reviewers
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Take-Back Reviewers
16 of the 125 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
Word Count Comparison
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- 22%
- 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 28 reviews (or 22%) are within an overrepresented word count group. These reviews have rated this product an average of 5.0, while all other reviews have rated this product an average of 4.5. 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
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 4.5, 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.
4.5 Product's Average Ease Score
4.3 Category's Average Ease Score
Read more about our Reviewer Ease test.
Warn
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 Reviews:
Show MoreShow Less
2 reviews
4 reviews
7 reviews
2 reviews
3 reviews
2 reviews
2 reviews
3 reviews
2 reviews
2 reviews
23 of the 125 total reviews for this product use substantial repetitive phrases between them. This is an excessively large percentage which may indicate unnatural reviews.
Warn
Reviewer Participation
![](/public/imgs/reviewmeta/ex-icon.png)
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- 67%
- From reviewers with an overrepresented participation
We see the following 2 participation groups with a statistically significant greater concentration than what we'd expect to see:In total, we found that 84 reviewers (or 67%) 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 125 reviews for this product over the span of 1,632 days, an average of 0.1 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
Unverified Purchases
![](/public/imgs/reviewmeta/vp-icon.png)
15 of the 125 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
Overlapping Review History
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Reviewers of this product have ALSO reviewed the following products:
3% also reviewed:
Amazon Elements Wipes by Amazon Elements
2% also reviewed:
HSI 1" CERAMIC TOURMALINE IONIC FLAT IRON HAIR... by HSI PROFESSIONAL
2% also reviewed:
SafeRest Premium Hypoallergenic Waterproof... by SafeRest
2% also reviewed:
Happy Baby Organic Baby Food 2 Simple Combos, 3.5... by Nurture
2% also reviewed:
Bravado Body Silk Seamless Nursing Bra (Large,... by Bravado! Designs
2% also reviewed:
VTech Sit-to-Stand Learning Walker by VTech
23 of the 125 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
Brand Repeats
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Brand Repeaters
10 of the 125 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.