FirstPower 4500mAh Replacement Battery for Dyson V8 SV10 Li-ion Battery for Dyson V8 Absolute...
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From Powerfirst
Refresh the report to view the most up-to-date data available:
Note: We only analyze "reviews" and ignore one-tap "ratings".
Report Card
Most Trusted Reviews
TRUST
- Verified Purchaser
- Overlapping Review History: reviewed 1 of 9 top products
- Easy Grader (avg. rating: 4.7)
Least Trusted Reviews
TRUST
- Verified Purchaser
- Contains repetitive phrases (show)
- One-Hit Wonder
- Easy Grader (avg. rating: 5.0)
Analysis Details
One-Hit Wonders
7 of the 142 reviewers have only reviewed this product. The One-Hit Wonders have rated this product an average of 3.3 while the reviewers who have posted more than one review have rated this product an average of 4.4. 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.
(4.4/5)
(5.0/5)
(5.0/5)
(5.0/5)
(3.0/5)
(5.0/5)
(5.0/5)
(5.0/5)
(4.7/5)
(5.0/5)
47 of the 142 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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- 47%
- 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 67 reviewers (or 47%) are within an overrepresented participation group. While this is more reviews from overrepresented participation groups than we'd expect to see, the discrepancy in ratings between reviewers in an overrepresented participation groups and all other reviewers isn’t significant enough to rule out the possibility of it being due to random chance.
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- 0%
- Created on high-volume days
Read more about our Rating Trend test.
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- 0%
- Unverified Purchases
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%
- Have an overrepresented word count
Read more about our Word Count Comparison test.
3% also reviewed:
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SanDisk 64 GB Cruzer Blade USB 2.0 Flash Drive -... by SanDisk
2% also reviewed:
Dyson 214744-01 V8 Absolute Cordless Vacuum by Dyson
2% also reviewed:
All-new Amazon Echo (2nd Gen) by Amazon
2% also reviewed:
Amazon Smart Plug, works with Alexa, Certified... by Amazon
1% also reviewed:
SanDisk SDSQUNC-032G-GN6MA Ultra 32 GB MicroSDHC... by SanDisk
1% also reviewed:
Foktech Wifi Dongle, AC600 802.11ac Dual Band... by Foktech
1% also reviewed:
Seagate ST2000DM008 Internal Hard Drive – 2 TB... by Seagate
1% also reviewed:
Echo Dot (3rd Gen) - Smart speaker with Alexa by Amazon
20 of the 142 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.
4.3 Product's Average Ease Score
4.3 Category's Average Ease Score
Read more about our Reviewer Ease test.
Brand Repeaters
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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.