10 Pack 2.1mm x 5.5mm Male CCTV Camera DC Power Adapter
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Most Trusted Reviews
TRUST
- Verified Purchaser
- Take-Back Reviewer (7 deleted Reviews; avg. rating: 3.0)
- Critical Reviewer (avg. rating: 2.4)
Least Trusted Reviews
TRUST
- Verified Purchaser
- Overrepresented word count (5 words)
- Single-Day Reviewer (posted all reviews on Sep 13, 2014)
- Overlapping Review History: reviewed 1 of 9 top products
- Easy Grader (avg. rating: 4.7)
Analysis Details
Never-Verified Reviewers
4 of the 295 reviewers have never written a verified purchase review. The Never-Verified Reviewers have rated this product an average of 2.5 while the reviewers who have written at least one verified purchase review 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.
Take-Back Reviewers
70 of the 295 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.
4.5 Product's Average Ease Score
4.2 Category's Average Ease Score
Read more about our Reviewer Ease test.
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- 30%
- 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 89 reviews (or 30%) are within an overrepresented word count group. These reviews have rated this product an average of 4.8, 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.
22% also reviewed:
10 Pcs 5.5mm x 2.1mm DC Power Cable Female... by uxcell
7% also reviewed:
VideoSecu 18 Channel Port Output 12V DC Auto... by VideoSecu
5% also reviewed:
SanDisk Ultra microSDHC Card Plus Adapter by SanDisk
4% also reviewed:
uxcell 5Pcs Coax CAT5 To CCTV Coaxial Camera BNC... by uxcell
4% also reviewed:
Maxmoral 5 Pair (5 x Male + 5 x Female) DC Power... by Maxmoral
4% also reviewed:
(Old Model) Seagate 5TB Desktop HDDSATA 6Gb/s NCQ... by Seagate
4% also reviewed:
SanDisk Ultra MicroSDXC UHS-I Card with Adapter by SanDisk
3% also reviewed:
Kastar AC Adapter, Power Supply 12V 6A 72W, Tip... by Kastar
from the same brand
121 of the 295 reviewers have substantial overlapping product review history. These reviewers have rated this product an average of 4.7 while the reviewers who have a more unique product review history 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.
9 of the 295 total reviews for this product use substantial repetitive phrases between them. This is an excessively large percentage which may indicate unnatural reviews.
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- 0%
- Created on high-volume days
Read more about our Rating Trend test.
25 of the 295 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.
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- 0%
- From reviewers with an overrepresented participation
Read more about our Reviewer Participation test.
Brand Repeaters
18 of the 295 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.
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- 0%
- Admitted to receiving an incentive
Read more about our Incentivized Reviews test. Check out our study showing that Incentivized Reviewers are much more likely to leave a positive review.
- 0
- Reviews have been deleted
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.