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XIAOKOA PCマイク USBマイク 全指向性 マイク コンデンサーマイク LEDライト...
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This report was last updated 8/25/2020.
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Report Info:
Note: While Amazon.co.jp claims 268 Ratings, we counted 108 Reviews available on their site.
Note: We only analyze "reviews" and ignore one-tap "ratings".
Note: We only analyze "reviews" and ignore one-tap "ratings".
Report Card
Warn Overall Grade
FAIL Deleted Reviews
FAIL Suspicious Reviewers
FAIL Word Count Comparison
WARN Reviewer Participation
PASS Rating Trend
PASS Unverified Purchases
PASS Overlapping Review History
PASS Reviewer Ease
PASS Brand Repeats
N/A Phrase Repetition
N/A Incentivized Reviews
Most Trusted Reviews
この商品は... [Go to full review]
Oct 25, 2019
100%
TRUST
TRUST
- Verified Purchaser
- Take-Back Reviewer (1 deleted Review; avg. rating: 1.0)
- Critical Reviewer (avg. rating: 3.7)
Least Trusted Reviews
User did not leave written text for this review. [Go to full review]
Sep 20, 2019
32%
TRUST
TRUST
- Verified Purchaser
- Overrepresented word count (0 words)
- Overrepresented Participation (posted 12 Reviews)
- Critical Reviewer (avg. rating: 4.1)
Analysis Details
Fail Deleted Reviews
We discovered a total of 132 deleted Reviews for this product, with an average rating of 4.9. 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 Suspicious Reviewers
One-Hit Wonders
15 of the 108 reviewers have only reviewed this product. The One-Hit Wonders have rated this product an average of 2.4 while the reviewers who have posted more than one review have rated this product an average of 3.7. 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 Word Count Comparison
Word counts are approximated for Hanzi and Kanji
-
- 90%
- 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 97 reviews (or 90%) are within an overrepresented word count group. These reviews have rated this product an average of 3.4, 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.
Warn Reviewer Participation
-
- 57%
- 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 62 reviewers (or 57%) are within an overrepresented participation group. This is an excessively high number of reviewers in overrepresented participation groups.
Pass Rating Trend
-
- 0%
- Created over 1 day
We counted 108 reviews for this product over the span of 493 days, an average of 0.2 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 1 day exceeding this threshold:In total, we found that 0 reviews were created on just 1 day. 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 Rating Trend test.
However, we see the following 1 day exceeding this threshold:In total, we found that 0 reviews were created on just 1 day. 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 Rating Trend test.
Pass Unverified Purchases
7 of the 108 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 Overlapping Review History
Reviewers of this product have ALSO reviewed the following products:
4% also reviewed:
シリコンパワー SSD 2TB 3D NAND採用 SATA3... by シリコンパワー
3% also reviewed:
iBUFFALO マイクロフォン USB音源... by バッファロー
3% also reviewed:
Transcend USBメモリ 32GB USB3.1 & USB 3.0... by トランセンドジャパン
3% also reviewed:
ロジクール キーボード ワイヤレス... by Logicool(ロジクール)
3% also reviewed:
ホーリック... by ホーリック(HORIC)
3% also reviewed:
【Fire, Fire HD 8, Fire HD 10対応】Samsung... by 日本サムスン
2% also reviewed:
microSDHC 32GB SanDisk サンディスク UHS-1... by サンディスク
2% also reviewed:
モバイルバッテリー Omars 10000mAh... by Omars
Does not include products
from the same brand
from the same brand
14 of the 108 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 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 3.8, while the average ease score for reviewers in this category is 4.2.
3.8 Product's Average Ease Score
4.2 Category's Average Ease Score
Read more about our Reviewer Ease test.
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.