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ゴシェール(Gocheer)2019最新式 卓上 Usb 扇風機 静音 ミニ扇風機...
More product info From ゴシェール(Gocheer)

Amazon Reviews for  ゴシェール(Gocheer)2019最新式 卓上 Usb 扇風機 静音 ミニ扇風機 360°回転可能 クリップ扇風機 風量3段階 5枚羽根 省エネ 静音 熱中症対策 携帯便利 USB充電式 ファン 日本語取扱説明書付き
Rating:
253 Ratings
253 Reviews
("Ratings" vs. "Reviews")
100% of potentially unnatural reviews removed (why?)
Adjusted:
Insufficient trustworthy reviews



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Report Card

Fail Overall Grade
FAIL Rating Trend
FAIL Reviewer Ease
WARN Word Count Comparison
WARN Reviewer Participation
PASS Unverified Purchases
PASS Suspicious Reviewers
PASS Overlapping Review History
PASS Brand Repeats
PASS Deleted Reviews
N/A Phrase Repetition
N/A Incentivized Reviews

Most Trusted Reviews

We couldn't find any quality reviews

Least Trusted Reviews

5/5
小さいですが風力は凄い... [Go to full review]
Jun 7, 2019      
0% TRUST
  • Verified Purchaser
  • Created on a high volume day
  • Overrepresented word count (50 words)
  • Overlapping Review History: reviewed 1 of 9 top products
  • Overrepresented Participation (posted 10 Reviews)
  • Easy Grader (avg. rating: 5.0)


Analysis Details

Fail Rating Trend

  • 63%
  • Created over 18 days

We counted 253 reviews for this product over the span of 374 days, an average of 0.7 reviews per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 5 or fewer reviews on any given day.

However, we see the following 18 days exceeding this threshold:In total, we found that 159 reviews were created on just 18 days. The reviews on these high volume days have rated this product an average of 5.0 while reviews from other days have 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.

from reviews created on high volume days

from reviews created on normal volume days


5.0
4.8


Read more about our Rating Trend 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


4.9
4.2


Read more about our Reviewer Ease test.


Warn Word Count Comparison
Word counts are approximated for Hanzi and Kanji


  • 72%
  • 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 2 groups with a statistically significant greater concentration than what we'd expect to see:In total, we found that 182 reviews (or 72%) are within an overrepresented word count group. This is an excessively high number of reviews in overrepresented word count groups.

from reviews with an overrepresented word count

from reviews with a properly represented word count


4.9
4.8


Read more about our Word Count Comparison test.

Warn Reviewer Participation

  • 46%
  • 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 117 reviewers (or 46%) 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.

From reviewers with an overrepresented participation

From reviewers with a properly represented participation


4.9
4.9


Read more about our Reviewer Participation test.

Pass Unverified Purchases

20 of the 253 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.

from unverified purchasers

from verified purchases


4.4
4.9


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 Suspicious Reviewers

One-Hit Wonders


9 of the 253 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.

from one-hit wonders

from reviewers with more than one review


4.8
4.9


Never-Verified Reviewers


10 of the 253 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.

from never-verified reviewers

from reviewers with at least one verified purchase review


4.4
4.9


Take-Back Reviewers

We didn't detect a substantial amount of Take-Back Reviewers.

Single-Day Reviewers


7 of the 253 reviewers have written multiple reviews but posted all of them on a single day. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.

from single-day reviewers

from non-single-day reviewers


5.0
4.9


Read more about our Suspicious Reviewers test.

Pass Overlapping Review History
Reviewers of this product have ALSO reviewed the following products:

Does not include products
from the same brand


55 of the 253 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.

from reviewers with substantial overlapping history

from reviewers without a substantial overlapping history


4.9
4.9


Read more about our Overlapping Review History test.

Pass Brand Repeats

Brand Repeaters

We didn't detect a substantial amount of Brand Repeaters.

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:
  1. 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.
  2. We have no information on reviews that were never published in the first place.
  3. 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.
Read more about our Deleted Reviews test.

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.