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NEXTPAGE® 3D Printer Printing filament PLA Plastic Printing Material 1.75mm 1KG Blue
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This report was last updated 11/22/2018.
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Report Info:
Note: We only analyze "reviews" and ignore one-tap "ratings".
Report Card
Pass Overall Grade
FAIL Deleted Reviews
FAIL Brand Repeats
FAIL Overlapping Review History
FAIL Reviewer Participation
WARN Rating Trend
WARN Phrase Repetition
PASS Unverified Purchases
PASS Word Count Comparison
PASS Suspicious Reviewers
PASS Reviewer Ease
PASS Incentivized Reviews
Most Trusted Reviews
good product good price and good shipping [Go to full review]
Aug 30, 2018
100%
TRUST
TRUST
- Verified Purchaser
- Easy Grader (avg. rating: 4.8)
Least Trusted Reviews
Great filament. Quality vs. Price is the best that you ... [Go to full review]
Dec 8, 2016
0%
TRUST
TRUST
- Verified Purchaser
- Contains repetitive phrases (show)
- Brand Loyalist (2 of 4 reviews for this brand; avg rating: 5.0)
- Critical Reviewer (avg. rating: 4.0)
Analysis Details
Fail Deleted Reviews
We discovered a total of 4 deleted Reviews for this product, with an average rating of 5. 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 Brand Repeats
Brand Loyalists
2 of the 42 reviewers have reviewed multiple products but half or more of their reviews are for this brand. This is an excessively large percentage of Brand Loyalists which may indicate unnatural reviews.
Fail Overlapping Review History
Reviewers of this product have ALSO reviewed the following products:
5% also reviewed:
3D Solutech - Real Pla 1.75 1KG by 3D Solutech
5% also reviewed:
Besdata Ultra Thin Magnetic Smart Cover & Back... by Besdata
5% also reviewed:
MG Chemicals 1.75mm, PLA 3D Printer Filament, 1kg... by MG Chemicals
5% also reviewed:
Parasom A1 V4.1 Magnetic Wireless Bluetooth... by Parasom
5% also reviewed:
3D Printer Filament 3D Filament 1.75 3d printer... by MECH SOLUTIONS LTD
Does not include products
from the same brand
from the same brand
8 of the 42 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 3.8. 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.
Fail Reviewer Participation
-
- 50%
- 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 21 reviewers (or 50%) are within an overrepresented participation group. These reviews have rated this product an average of 4.5, while all other reviews have rated this product an average of 3.6. 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 Rating Trend
-
- 7%
- Created over 1 day
We counted 42 reviews for this product over the span of 728 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.
However, we see the following 1 day exceeding this threshold:In total, we found that 3 reviews were created on just 1 day. Although any days with a larger number of reviews than expected is suspicious, these reviews do not appear to have a significant impact on the overall rating.
Warn 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:
2 reviews
(5.0/5)
(5.0/5)
2 reviews
(5.0/5)
(5.0/5)
2 reviews
(5.0/5)
(5.0/5)
Common Phrases in Titles:
2 reviews
(5.0/5)
(5.0/5)
2 of the 42 total reviews for this product use substantial repetitive phrases between them. This is an excessively large percentage which may indicate unnatural reviews.
Pass Unverified Purchases
-
- 0%
- Unverified Purchases
0 of the 42 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.
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
-
- 0%
- 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 Suspicious Reviewers
One-Hit Wonders
3 of the 42 reviewers have only reviewed this product. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.
Never-Verified Reviewers
We didn't detect a substantial amount of Never-Verified Reviewers.
Take-Back Reviewers
We didn't detect a substantial amount of Take-Back Reviewers.
Single-Day Reviewers
We didn't detect a substantial amount of Single-Day Reviewers.
Pass 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, while the average ease score for reviewers in this category is 4.2.
4.0 Product's Average Ease Score
4.2 Category's Average Ease Score
Read more about our Reviewer Ease test.
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.
1 of the 42 total reviews for this product admitted to receiving a free or discounted product in exchange for a review. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.
Read more about our Incentivized Reviews test. Check out our study showing that Incentivized Reviewers are much more likely to leave a positive review.