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RuiPu モバイルバッテリー 大容量 24000mah ソーラーチャージャー...
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This report was last updated 9/10/2019.
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Report Card
Fail Overall Grade
FAIL Unverified Purchases
FAIL Reviewer Ease
FAIL Word Count Comparison
FAIL Overlapping Review History
WARN Deleted Reviews
WARN Reviewer Participation
PASS Rating Trend
PASS Suspicious Reviewers
PASS Brand Repeats
N/A Phrase Repetition
N/A Incentivized Reviews
Most Trusted Reviews
We couldn't find any quality reviewsLeast Trusted Reviews
User did not leave written text for this review. [Go to full review]
Dec 31, 1969
46%
TRUST
TRUST
- Verified Purchaser
- Overrepresented word count (0 words)
- One-Hit Wonder
- Overrepresented Participation (posted 1 Review)
- Critical Reviewer (avg. rating: 0.0)
Analysis Details
Fail Unverified Purchases
13 of the 468 total reviews for this product are unverified purchases. The unverified purchasers have rated this product an average of 4.2 while the verified purchasers have rated this product an average of 4.9. 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.
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.
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 4.9, 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.
4.9 Product's Average Ease Score
4.2 Category's Average Ease Score
Read more about our Reviewer Ease test.
Fail Word Count Comparison
Word counts are approximated for Hanzi and Kanji
-
- 85%
- 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 397 reviews (or 85%) 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 4.4. 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.
Fail Overlapping Review History
Reviewers of this product have ALSO reviewed the following products:
1% also reviewed:
モバイルバッテリー 大容量 26800mAh... by XTX
1% also reviewed:
Echo Dot 第3世代 -... by Amazon
0% also reviewed:
東芝 温水洗浄便座... by 東芝(TOSHIBA)
0% also reviewed:
ブロックス デュオ 【2人用】FWG43 by マテル(MATTEL)
0% also reviewed:
【令和最新版 Bluetooth 5.0... by
0% also reviewed:
【2019最新版 Bluetooth5.0... by PZX JP
0% also reviewed:
TOPTRO プロジェクター 小型... by
0% also reviewed:
Logitech M185CG Wireless Mouse, Small Size, Up to... by Visit the Logicool(ロジクール) Store
Does not include products
from the same brand
from the same brand
205 of the 468 reviewers have substantial overlapping product review history. These reviewers have rated this product an average of 5.0 while the reviewers who have a more unique product review history rated this product an average of 4.8. 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.
Warn 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.
Warn Reviewer Participation
-
- 84%
- 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 393 reviewers (or 84%) are within an overrepresented participation group. This is an excessively high number of reviewers in overrepresented participation groups.
Pass Rating Trend
-
- 0%
- Created on high-volume days
We counted 468 reviews for this product over the span of 86 days, an average of 5.4 reviews per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 15 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 Suspicious Reviewers
One-Hit Wonders
11 of the 468 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
5 of the 468 reviewers have never written a verified purchase review. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.
Take-Back Reviewers
5 of the 468 reviewers have had at least one of their past reviews for another product deleted. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.
Single-Day Reviewers
We didn't detect a substantial amount of Single-Day Reviewers.
Pass Brand Repeats
Brand Repeaters
We didn't detect a substantial amount of Brand Repeaters.
N/A Phrase Repetition
We have not yet completed optimization for this test for Hanzi or Kanji.
N/A Incentivized Reviews
We have not yet completed optimization for this test for Hanzi or Kanji.