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Anker New Laptop Battery for HP Pavilion DV4-1000 DV4-2000 DV5-1000 DV6-1000 DV6-2000 CQ50 CQ60...
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This report was last updated 5/17/2017.
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Report Info:
Last Updated: May 17, 2017
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Note: We only analyze "reviews" and ignore one-tap "ratings".
Report Card
Pass Overall Grade
FAIL Reviewer Ease
FAIL Phrase Repetition
WARN Suspicious Reviewers
WARN Reviewer Participation
PASS Rating Trend
PASS Unverified Purchases
PASS Word Count Comparison
PASS Overlapping Review History
PASS Brand Repeats
PASS Incentivized Reviews
PASS Deleted Reviews
Most Trusted Reviews
I bought it based on so many reviews hoping I ... [Go to full review]
May 18, 2013
100%
TRUST
TRUST
- Verified Purchaser
- Critical Reviewer (avg. rating: 3.0)
Least Trusted Reviews
This battery works great in my computer. I would recommend ... [Go to full review]
Dec 13, 2011
0%
TRUST
TRUST
- Verified Purchaser
- Contains repetitive phrases (show)
- One-Hit Wonder
- Easy Grader (avg. rating: 5.0)
Analysis Details
Fail 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 4.2, while the average ease score for reviewers in this category is 4.2. 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.
4.2 Product's Average Ease Score
4.2 Category's Average Ease Score
Read more about our Reviewer Ease test.
Fail 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:
Show MoreShow Less
14 reviews
12 reviews
32 reviews
14 reviews
19 reviews
7 reviews
10 reviews
17 reviews
16 reviews
6 reviews
83 of the 608 total reviews for this product use substantial repetitive phrases between them. These reviewers have rated this product an average of 4.7 while reviews without substantial repetitive phrases rated this product an average of 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.
Warn Suspicious Reviewers
One-Hit Wonders
83 of the 608 reviewers have only reviewed this product. While this is more One-Hit Wonders than we'd expect to see, it does not appear to have a significant impact on the overall rating.
Take-Back Reviewers
39 of the 608 reviewers have had at least one of their past reviews for another product deleted. While this is more Take-Back Reviewers than we'd expect to see, it does not appear to have a significant impact on the overall rating.
Warn Reviewer Participation
-
- 49%
- 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 296 reviewers (or 49%) are within an overrepresented participation group. While this is more reviews from overrepresented participation groups than we'd expect to see, these reviews do not appear to have a significant impact on the overall rating.
Pass Rating Trend
-
- 1%
- Created over 2 days
We counted 608 reviews for this product over the span of 2,294 days, an average of 0.3 reviews per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 3 or fewer reviews on any given day.
However, we see the following 2 days exceeding this threshold:In total, we found that 8 reviews were created on just 2 days. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.
Pass Unverified Purchases
29 of the 608 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 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 Overlapping Review History
Reviewers of this product have ALSO reviewed the following products:
2% also reviewed:
AmazonBasics High-Speed HDMI Cable - 6.5 Feet (2... by AmazonBasics
1% also reviewed:
Fifty Shades Of Grey (Turtleback School & Library... by E. L. James
1% also reviewed:
Panasonic RP-HJE120 in-Ear Earbud Ergo-Fit... by Panasonic
1% also reviewed:
ARRIS Surfboard Docsis Certified for XFINITY by ARRIS
1% also reviewed:
SanDisk Ultra MicroSDXC UHS-I Card with Adapter by SanDisk
Does not include products
from the same brand
from the same brand
33 of the 608 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
Brand Repeaters
19 of the 608 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
On Oct 3, 2016, Amazon prohibited incentivized reviews, however we still test for them since there are still millions in our dataset.
-
- 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
- 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.