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OBEST AC to DC Converter Adapter, Cigarette Lighter Socket, 12 V, 10 A, Replacement for Car...
More product info From Brand: OBEST

OBEST AC to DC Converter Adapter, Cigarette Lighter Socket, 12 V, 10 A, Replacement for Car Supplies, Converter, Cigarette Lighter Socket Outlet Voltage Converter, Drive Recorder Vehicle Freezer, For Vacuum Cleaner, Car TV, Indoor Use (AC-DC Converter Adapter) View product on Amazon.co.jp
Amazon Reviews for OBEST AC to DC Converter Adapter, Cigarette Lighter Socket, 12 V, 10 A, Replacement for Car Supplies, Converter, Cigarette Lighter Socket Outlet Voltage Converter, Drive Recorder Vehicle Freezer, For Vacuum Cleaner, Car TV, Indoor Use (AC-DC Converter Adapter)
Rating:
487 Ratings
("Ratings" vs. "Reviews")
37% of potentially unnatural reviews removed (why?)
Adjusted:
309 Ratings*



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Report Info:
Last Updated: May 17, 2023
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Note: We only analyze "reviews" and ignore one-tap "ratings".

Report Card

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

Most Trusted Reviews

0/5
User did not leave written text for this review. [Go to full review]
Dec 31, 1969      
73% TRUST
  • Verified Purchaser
  • Overrepresented word count (0 words)
  • Overlapping Review History: reviewed 1 of 9 top products
  • Critical Reviewer (avg. rating: 2.8)

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Least Trusted Reviews

0/5
User did not leave written text for this review. [Go to full review]
Dec 31, 1969      
19% TRUST
  • Verified Purchaser
  • Overrepresented word count (0 words)
  • One-Hit Wonder
  • Critical Reviewer (avg. rating: 0.0)

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Analysis Details

Fail Suspicious Reviewers

One-Hit Wonders


Approximately 35% of 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


N/A
N/A

Read more about our Suspicious Reviewers test.

Warn 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 over approximately 90% 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


N/A
N/A

Read more about our Word Count Comparison test.

Pass Rating Trend
  • <10%
  • Created on high-volume days
We didn't notice any signals that would indicate reviews were created unevenly over time.
Read more about our Rating Trend test.

Pass Unverified Purchases

1 of the 487 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


N/A
N/A

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:


<10% also reviewed:
Hanwha スーパースリム ハイスピード... by UMAZONe


<10% also reviewed:
ブラウン オーラルB 電動歯ブラシ... by Braun (ブラウン)


<10% also reviewed:
Iseebiz AV切替器 スプリッタ... by Iseebiz


<10% also reviewed:
(ライミー)LIMEY 業界初! 爆光 最新... by ライミー(LIMEY)


<10% also reviewed:
アイリスプラザ 布団セット... by アイリスプラザ(IRIS PLAZA)

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Does not include products
from the same brand


Approximately 15% of 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


N/A
N/A

Read more about our Overlapping Review History test.

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 1.8, while the average ease score for reviewers in this category is 4.2.

1.8 Product's Average Ease Score

4.2 Category's Average Ease Score


1.8
4.2

Read more about our Reviewer Ease 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 Reviewer Participation
We haven't collected sufficient data to run this test yet. more info

N/A Incentivized Reviews
We have not yet completed optimization for this test for Hanzi or Kanji.