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5 Pack - EPAuto 30/40 AMP Relay Harness Spdt 12V Bosch Style From EPAuto Report Feedback

Fail Unnatural reviews detected

Original:

1,171 Reviews

Adjusted:

402 Reviews

Rank in: Relays
98%
86%

View/Edit Adjustment
How is this calculated
Report Last Updated: Oct 21, 2018
Show Report History
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Report Card

Click a test to jump to details

FAIL Reviewer Ease
FAIL Word Count Comparison
WARN Deleted Reviews
WARN Suspicious Reviewers
WARN Reviewer Participation
PASS Rating Trend
PASS Unverified Purchases
PASS Phrase Repetition
PASS Overlapping Review History
PASS Brand Repeats
PASS Incentivized Reviews
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Most Trusted Reviews

if you need Relay`s this is the way to buy ... [Go to full review]
Feb 25, 2018      
100% TRUST
  • Verified Purchaser
  • Critical Reviewer (avg. rating: 4.1)


Least Trusted Reviews

Good quality relay with wire harness at a great price [Go to full review]
Jun 26, 2016      
0% TRUST
  • Verified Purchaser
  • Overrepresented word count (10 words)
  • Take-Back Reviewer (1 deleted review; avg. rating: 4.0)
  • Overrepresented Participation (posted 10 reviews)
  • Easy Grader (avg. rating: 4.8)


Analysis Details


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 4.3. 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

4.3 Category's Average Ease Score


4.5
4.3


Read more about our Reviewer Ease test.


Fail Word Count Comparison

  • 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 839 reviews (or 72%) are within an overrepresented word count group. These reviews have rated this product an average of 4.9, while all other reviews 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 reviews with an overrepresented word count

from reviews with a properly represented word count


4.9
4.6


Read more about our Word Count Comparison test.

Warn Deleted Reviews

We discovered a total of 38 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:
  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 the Deleted Reviews test here.

4.9 average rating of deleted reviews

4.9


Show distribution of deleted reviews

Warn Suspicious Reviewers

Take-Back Reviewers


114 of the 1,171 reviewers have had at least one of their past reviews for another product deleted. While this is more Take-Back Reviewers than we'd expect to see, it does not appear to have a significant impact on the overall rating.

from take-back reviewers

from reviewers without previously deleted reviews


4.7
4.8


Read more about our Suspicious Reviewers test.

Warn Reviewer Participation

  • 62%
  • From reviewers with an overrepresented participation

We see the following 2 participation groups with a statistically significant greater concentration than what we'd expect to see:In total, we found that 728 reviewers (or 62%) 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
4.8


Read more about our Reviewer Participation test.

Pass Rating Trend

  • 2%
  • Created over 3 days

We counted 1,171 reviews for this product over the span of 1,002 days, an average of 1.2 reviews per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 6 or fewer reviews on any given day.

However, we see the following 3 days exceeding this threshold:In total, we found that 21 reviews were created on just 3 days. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.

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.

Pass Unverified Purchases

31 of the 1,171 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


4.9
4.8


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 Phrase Repetition
  • 0%
  • Used substantial repetitive phrases
0 of the 1,171 total reviews for this product use substantial repetitive phrases between them. 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 Phrase Repetition test.

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

Does not include products
from the same brand


136 of the 1,171 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


4.8
4.8


Read more about our Overlapping Review History test.

Pass Brand Repeats

Brand Repeaters


24 of the 1,171 reviewers have reviewed other products for this brand. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.

from Brand Repeaters

from Non-Repeaters


4.9
4.8


Read more about our Brand Repeats test.

Pass Incentivized Reviews
On Oct 3, 2016, Amazon prohibited incentivized reviews, however we still test for them since there are still millions in our dataset.


3 of the 1,171 total reviews for this product admitted to receiving a free or discounted product in exchange for a review. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.

from incentivized reviews

from non-incentivized reviews


5.0
4.8


Read more about our Incentivized Reviews test, or check out our study showing that Incentivized Reviewers are much more likely to leave a positive review.


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