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150PCS Solder Seal Wire Connectors Kit, Preciva Heat Shrink Self Solder Butt Splice Connectors Kit...
More product info From Preciva

16% of potentially unnatural reviews removed (why?)
Adjusted:
Jump to Report Card

Report Info:

Report Card

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

Most Trusted Reviews

Holds tight and is fairly easy to use. Works best ... [Go to full review]
Dec 30, 2020      
100% TRUST
  • Verified Purchaser
  • Critical Reviewer (avg. rating: 4.0)


Least Trusted Reviews

5/5
Feb 16, 2021      
0% TRUST
  • Verified Purchaser
  • Overrepresented word count (1 word)
  • Take-Back Reviewer (1 deleted Review; avg. rating: 5.0)
  • Overlapping Review History: reviewed 2 of 9 top products
  • Easy Grader (avg. rating: 4.9)


Analysis Details

Fail Suspicious Reviewers

Take-Back Reviewers


Approximately 20% of reviewers have had at least one of their past reviews for another product deleted. The Take-Back Reviewers have rated this product an average of 3.9 while the reviewers who don't have any deleted reviews in their history 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 take-back reviewers

from reviewers without previously deleted reviews


3.9
4.8


Read more about our Suspicious Reviewers test.

Fail Word Count Comparison

  • ~45%
  • 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 approximately 45% are within an overrepresented word count group. These reviews have rated this product an average of 4.8, 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 reviews with an overrepresented word count

from reviews with a properly represented word count


4.8
4.4


Read more about our Word Count Comparison test.

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

Does not include products
from the same brand


Approximately 20% of reviewers have substantial overlapping product review history. These reviewers have rated this product an average of 3.9 while the reviewers who have a more unique product review history 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 reviewers with substantial overlapping history

from reviewers without a substantial overlapping history


3.9
4.8


Read more about our Overlapping Review History 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 4.3. 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

4.3 Category's Average Ease Score


4.6
4.3


Read more about our Reviewer Ease 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

2 of the 503 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
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.

Pass Phrase Repetition
  • <10%
  • Used substantial repetitive phrases
Less than approximately 10% of reviews 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 Brand Repeats

Brand Repeaters


Less than approximately 10% of 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


5.0
4.6


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.

  • <10%
  • Admitted to receiving an incentive
We didn't detect any reviews that used language indicating they were incentivized.
Read more about our Incentivized Reviews test. Check out our study showing that Incentivized Reviewers are much more likely to leave a positive review.

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