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Ann Chery Women's Faja Deportiva Workout Waist Cincher
More product info From Ann Chery

29% of potentially unnatural reviews removed (why?)
Adjusted:
View/Edit Adjustment
Jump to Report Card

Report Card

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

Most Trusted Reviews

i wear this waist band almost everyday and every time ... [Go to full review]
Dec 9, 2013      
100% TRUST
  • Verified Purchaser
  • Take-Back Reviewer (1 deleted Review; avg. rating: 3.0)
  • Easy Grader (avg. rating: 4.8)


Least Trusted Reviews

Love it. I use it while I exersicise and not ... [Go to full review]
Feb 24, 2015      
0% TRUST
  • Verified Purchaser
  • Created on a high volume day
  • Take-Back Reviewer (2 deleted Reviews; avg. rating: 5.0)
  • Overrepresented Participation (posted 13 Reviews)
  • Easy Grader (avg. rating: 4.9)


Analysis Details

Fail Suspicious Reviewers

One-Hit Wonders


1,127 of the 5,738 reviewers have only reviewed this product. While this is more One-Hit Wonders than we'd expect to see, it does not appear to have a significant impact on the overall rating.

from one-hit wonders

from reviewers with more than one review


3.7
4.0


Take-Back Reviewers


379 of the 5,738 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 4.0 while the reviewers who don't have any deleted reviews in their history have rated this product an average of 3.9. 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


4.0
3.9


Single-Day Reviewers


181 of the 5,738 reviewers have written multiple reviews but posted all of them on a single day. The Single-Day reviewers have rated this product an average of 4.2 while all other reviewers rated this product an average of 3.9. 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 single-day reviewers

from non-single-day reviewers


4.2
3.9


Read more about our Suspicious Reviewers test.

Fail Phrase Repetition
Reviews that contain one of these phrases are NOT necessarily devalued; read more about how this test works here.

Common Phrases in Reviews:
141 reviews
(2.2/5)
150 reviews
(4.3/5)
Common Phrases in Titles:
129 reviews
(4.4/5)


139 of the 5,738 total reviews for this product use substantial repetitive phrases between them. These reviewers have rated this product an average of 3.0 while reviews without substantial repetitive phrases rated this product an average of 3.9. 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 substantial repetitive phrases

from reviews without substantial repetitive phrases


3.0
3.9


Read more about our Phrase Repetition test.

Warn Deleted Reviews

We discovered a total of 151 deleted Reviews for this product, with an average rating of 4. 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.

4.0 average rating of deleted reviews

4.0


Show distribution of deleted reviews

Warn Rating Trend

  • 38%
  • Created over 141 days

We counted 5,738 reviews for this product over the span of 1,991 days, an average of 2.9 reviews per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 10 or fewer reviews on any given day.

However, we see the following 141 days exceeding this threshold:In total, we found that 2,187 reviews were created on just 141 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


3.9
3.9


Read more about our Rating Trend test.

Warn Reviewer Participation

  • 83%
  • 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 4756 reviewers (or 83%) 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


3.9
4.0


Read more about our Reviewer Participation test.

Pass Unverified Purchases

225 of the 5,738 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


3.9
3.9


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 Word Count Comparison

  • 0%
  • Have an overrepresented word count
We didn't find any review word count groups that had a statistically significant greater concentration than what we'd expect to see in this category.
Read more about our Word Count Comparison test.

Pass Overlapping Review History
  • 0%
  • Substantial overlapping review history
0 of the 5,738 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 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, while the average ease score for reviewers in this category is 4.3.

4.0 Product's Average Ease Score

4.3 Category's Average Ease Score


4.0
4.3


Read more about our Reviewer Ease test.


Pass Brand Repeats

Brand Repeaters


382 of the 5,738 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


4.2
3.9


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.


1 of the 5,738 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
3.9


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