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PeohZarr ワイヤレス充電器 iPhone XS/XS Max/X/XR/8/8Plus Samsung Galaxy 対応 5W/7.5W/10W...
More product info From PeohZarr

Amazon Reviews for  PeohZarr ワイヤレス充電器 iPhone XS/XS Max/X/XR/8/8Plus Samsung Galaxy 対応 5W/7.5W/10W ブラック
Rating:
2,600 Ratings
2,600 Reviews
("Ratings" vs. "Reviews")
88% of potentially unnatural reviews removed (why?)
Adjusted:
View/Edit Adjustment
Jump to Report Card

Report Card

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

Most Trusted Reviews

説明文にも書いてありま... [Go to full review]
Aug 31, 2019      
100% TRUST
  • Verified Purchaser
  • Critical Reviewer (avg. rating: 4.0)


Least Trusted Reviews

ワイヤレス充電のAirPots... [Go to full review]
Apr 3, 2019      
0% TRUST
  • Unverified Purchaser
  • Overrepresented word count (47 words)

Reviewer data not yet gathered.


Analysis Details

Fail Unverified Purchases

171 of the 2,600 total reviews for this product are unverified purchases. The unverified purchasers have rated this product an average of 4.7 while the verified purchasers have rated this product an average of 4.6. 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 unverified purchasers

from verified purchases


4.7
4.6


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 Suspicious Reviewers

One-Hit Wonders


1,556 of the 2,600 reviewers have only reviewed this product. This is an excessively large percentage of One-Hit Wonders which may indicate unnatural reviews.

from one-hit wonders

from reviewers with more than one review


4.6
4.5


Never-Verified Reviewers


137 of the 2,600 reviewers have never written a verified purchase review. The Never-Verified Reviewers have rated this product an average of 4.7 while the reviewers who have written at least one verified purchase review rated this product an average of 4.6. 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 never-verified reviewers

from reviewers with at least one verified purchase review


4.7
4.6


Read more about our Suspicious Reviewers 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 4.5, 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.

4.5 Product's Average Ease Score

4.2 Category's Average Ease Score


4.5
4.2


Read more about our Reviewer Ease test.


Fail Reviewer Participation

  • 89%
  • 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 2321 reviewers (or 89%) are within an overrepresented participation group. These reviews have rated this product an average of 4.6, 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.

From reviewers with an overrepresented participation

From reviewers with a properly represented participation


4.6
4.4


Read more about our Reviewer Participation test.

Warn Deleted Reviews

We discovered a total of 114 deleted Reviews for this product, with an average rating of 4.8. 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:
  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.

4.8 average rating of deleted reviews

4.8


Show distribution of deleted reviews

Warn Rating Trend

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


  • 51%
  • 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 1,329 reviews (or 51%) 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


4.6
4.5


Read more about our Word Count Comparison test.

Pass Overlapping Review History
  • 0%
  • Substantial overlapping review history
0 of the 2,600 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.
Read more about our Overlapping Review History 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.