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Style Edit MEDIUM BLONDE Root Concealer Touch Up Spray | Instantly Covers Grey Roots | Professional...
More product info From STYLE EDIT

Review Hijacking Alert!
69 reviews are coming from a seemingly different product variation:

Root Concealer Black Dark Brown 2oz by Style Edit Factory Fresh with E Commerce Authenticity Code (Example Review )



Learn more about Review Hijacking.
Amazon Reviews for Style Edit MEDIUM BLONDE Root Concealer Touch Up Spray | Instantly Covers Grey Roots | Professional Salon Quality Cover Up Hair Products for Women |4 Ounce
Rating:
3,939 Reviews
3% of potentially unnatural reviews removed (Why?)
Adjusted:
View/Edit Adjustment
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Report Info:
Last Updated: Aug 31, 2019
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Show Report History
Note: While Amazon.com claims 3,939 reviews, we counted 4,030 available on their site.
Note: We only analyze "reviews" and ignore one-tap "ratings".

Report Card

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

Most Trusted Reviews

If you want a blackish tar-like substance to cover your ... [Go to full review]
Jul 4, 2019      
100% TRUST
  • Verified Purchaser
  • Critical Reviewer (avg. rating: 4.3)


Least Trusted Reviews

This is a great product. Easy to use. Covers the ... [Go to full review]
Apr 24, 2019      
0% TRUST
  • Verified Purchaser
  • Created on a high volume day
  • Overrepresented word count (13 words)
  • Take-Back Reviewer (1 deleted review; avg. rating: 5.0)
  • Overrepresented Participation (posted 15 reviews)
  • Critical Reviewer (avg. rating: 4.2)


Analysis Details

Fail Rating Trend

  • 4%
  • Created over 17 days

We counted 4,030 reviews for this product over the span of 2,349 days, an average of 1.7 reviews per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 7 or fewer reviews on any given day.

However, we see the following 17 days exceeding this threshold:In total, we found that 154 reviews were created on just 17 days. The reviews on these high volume days have rated this product an average of 4.7 while reviews from other days have rated this product an average of 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.

from reviews created on high volume days

from reviews created on normal volume days


4.7
4.3


Read more about our Rating Trend test.

Fail Word Count Comparison

  • 28%
  • 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 1,117 reviews (or 28%) are within an overrepresented word count group. These reviews have rated this product an average of 4.5, while all other reviews have rated this product an average of 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.

from reviews with an overrepresented word count

from reviews with a properly represented word count


4.5
4.3


Read more about our Word Count Comparison 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:
62 reviews
(4.7/5)
48 reviews
(4.4/5)


49 of the 4,030 total reviews for this product use substantial repetitive phrases between them. These reviewers have rated this product an average of 4.7 while reviews without substantial repetitive phrases rated this product an average of 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.

from reviews with substantial repetitive phrases

from reviews without substantial repetitive phrases


4.7
4.3


Read more about our Phrase Repetition test.

Warn Deleted Reviews

We discovered a total of 179 deleted reviews for this product, with an average rating of 4.2. 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.

4.2 average rating of deleted reviews

4.2


Show distribution of deleted reviews

Warn Suspicious Reviewers

Take-Back Reviewers


1,178 of the 4,030 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


4.3
4.4


Read more about our Suspicious Reviewers test.

Warn Reviewer Participation

  • 56%
  • 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 2270 reviewers (or 56%) 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


4.4
4.3


Read more about our Reviewer Participation test.

Pass Unverified Purchases

134 of the 4,030 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


4.0
4.4


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
  • 0%
  • Substantial overlapping review history
0 of the 4,030 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 4.3, while the average ease score for reviewers in this category is 4.3.

4.3 Product's Average Ease Score

4.3 Category's Average Ease Score


4.3
4.3


Read more about our Reviewer Ease test.


Pass Brand Repeats

Brand Repeaters


459 of the 4,030 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


4.6
4.3


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 4,030 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
4.4


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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