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Desk Chair Mat for Hardwood Floor - Hard Floor Protection Mat for Office & Home | Many Sizes...
More product info From OfficeMarshal

Amazon Reviews for  Desk Chair Mat for Hardwood Floor - Hard Floor Protection Mat for Office & Home | Many Sizes Available
Rating:
202 Ratings
202 Reviews
("Ratings" vs. "Reviews")
0% of potentially unnatural reviews removed (why?)
Adjusted:
View/Edit Adjustment
Jump to Report Card

Report Card

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

Most Trusted Reviews

4/5
It is doing the job.It comes rolled up pretty tight ... [Go to full review]
May 13, 2020      
100% TRUST
  • Verified Purchaser
  • Take-Back Reviewer (3 deleted Reviews; avg. rating: 3.7)
  • Easy Grader (avg. rating: 4.8)


Least Trusted Reviews

We couldn't find any low-quality reviews

Analysis Details

Fail Reviewer Participation

  • 72%
  • 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 145 reviewers (or 72%) are within an overrepresented participation group. These reviews have rated this product an average of 2.9, while all other reviews have rated this product an average of 3.6. 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 reviewers with an overrepresented participation

From reviewers with a properly represented participation


2.9
3.6


Read more about our Reviewer Participation test.

Warn Deleted Reviews

We discovered a total of 4 deleted Reviews for this product, with an average rating of 5. 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.

5.0 average rating of deleted reviews

5.0


Show distribution of deleted reviews

Pass Rating Trend

  • 0%
  • Created on high-volume days
We counted 202 reviews for this product over the span of 470 days, an average of 0.4 reviews per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 4 or fewer reviews on any given day. We didn't find any days exceeding this threshold.
Read more about our Rating Trend test.

Pass Unverified Purchases

2 of the 202 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


1.5
3.1


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 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:
11 reviews
(2.1/5)
5 reviews
(3.6/5)
3 reviews
(4.0/5)
2 reviews
(1.0/5)
4 reviews
(4.0/5)
5 reviews
(1.6/5)
4 reviews
(1.5/5)
2 reviews
(2.5/5)
5 reviews
(5.0/5)
2 reviews
(2.5/5)
Show MoreShow Less
Common Phrases in Titles:
2 reviews
(1.0/5)
6 reviews
(3.7/5)
4 reviews
(4.8/5)
4 reviews
(3.8/5)
3 reviews
(2.7/5)
7 reviews
(2.1/5)
Show MoreShow Less


30 of the 202 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.

from reviews with substantial repetitive phrases

from reviews without substantial repetitive phrases


3.4
3.1


Read more about our Phrase Repetition test.

Pass Suspicious Reviewers

One-Hit Wonders


15 of the 202 reviewers have only reviewed this product. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.

from one-hit wonders

from reviewers with more than one review


2.7
3.1


Never-Verified Reviewers

We didn't detect a substantial amount of Never-Verified Reviewers.

Take-Back Reviewers


43 of the 202 reviewers have had at least one of their past reviews for another product deleted. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.

from take-back reviewers

from reviewers without previously deleted reviews


3.3
3.1


Single-Day Reviewers


1 of the 202 reviewers have written multiple reviews but posted all of them on a single day. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.

from single-day reviewers

from non-single-day reviewers


5.0
3.1


Read more about our Suspicious Reviewers test.

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

1% also reviewed:
Amazon Store Card by Synchrony Bank

Does not include products
from the same brand


20 of the 202 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


3.6
3.1


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

3.8 Product's Average Ease Score

4.2 Category's Average Ease Score


3.8
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 Incentivized Reviews
On Oct 3, 2016, Amazon prohibited incentivized reviews, however we still test for them since there are still millions in our dataset.

  • 0%
  • 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.