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WenTop T20 LED ウインカー シングル バックランプ ホワイト...
More product info From WenTop

Amazon Reviews for  WenTop T20 LED ウインカー シングル バックランプ ホワイト ピンチ部違い対応 美光3014SMD 144連 無極性 ハイフラ防止抵抗内臓普通車/ハイブリッド車(HV車・EV車)対応 DC12V車用 2個入
Rating:
5 Ratings
30 Reviews
("Ratings" vs. "Reviews")
0% of potentially unnatural reviews removed (why?)
Adjusted:
View/Edit Adjustment
Jump to Report Card
Report Info:
Last Updated: Oct 15, 2019
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Note: While Amazon.co.jp claims 5 Ratings, we counted 30 Reviews available on their site.
Note: We only analyze "reviews" and ignore one-tap "ratings".

Report Card

Pass Overall Grade
WARN Rating Trend
WARN 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

5/5
しっかり認識できる明る... [Go to full review]
Jul 18, 2019      
79% TRUST
  • Verified Purchaser
  • Easy Grader (avg. rating: 5.0)


Least Trusted Reviews

ハイフラキャンセラーが... [Go to full review]
Oct 12, 2019      
11% TRUST
  • Verified Purchaser
  • Created on a high volume day
  • Overrepresented word count (55 words)
  • Overrepresented Participation (posted 5 Reviews)
  • Easy Grader (avg. rating: 5.0)


Analysis Details

Warn Rating Trend

  • 57%
  • Created over 4 days

We counted 30 reviews for this product over the span of 92 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 4 days exceeding this threshold:In total, we found that 17 reviews were created on just 4 days. This is an excessively high number of reviews submitted on these high volume days.

from reviews created on high volume days

from reviews created on normal volume days


4.9
4.4


Read more about our Rating Trend test.

Warn 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 4.6, while the average ease score for reviewers in this category is 4.2. While this discrepancy is rather large, it is not quite large enough to rule out the possibility of it being due random chance.

4.6 Product's Average Ease Score

4.2 Category's Average Ease Score


4.6
4.2


Read more about our Reviewer Ease test.


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


  • 40%
  • 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 12 reviews (or 40%) are within an overrepresented word count group. While this is more reviews from overrepresented word count groups than we'd expect to see, the discrepancy in ratings between reviews with overrepresented word groups and all other reviews isn’t significant enough to rule out the possibility of it being due to random chance.

from reviews with an overrepresented word count

from reviews with a properly represented word count


5.0
4.5


Read more about our Word Count Comparison test.

Warn Reviewer Participation

  • 67%
  • 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 20 reviewers (or 67%) are within an overrepresented participation group. This is an excessively high number of reviewers in overrepresented participation groups.

From reviewers with an overrepresented participation

From reviewers with a properly represented participation


4.8
4.5


Read more about our Reviewer Participation test.

Pass Unverified Purchases
  • 0%
  • Unverified Purchases
0 of the 30 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 Suspicious Reviewers

One-Hit Wonders


2 of the 30 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


5.0
4.7


Never-Verified Reviewers

We didn't detect a substantial amount of Never-Verified Reviewers.

Take-Back Reviewers

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

Single-Day Reviewers

We didn't detect a substantial amount of Single-Day Reviewers.

Pass Overlapping Review History
  • 0%
  • Substantial overlapping review history
0 of the 30 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.

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.