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Amir LCD Digital Temperature Humidity Meter Thermometer, Mini Digital Thermometer Hygrometer and... From Amir Report Feedback

Fail Unnatural reviews detected

Original:

375 Reviews

Adjusted:

4 Reviews

View/Edit Adjustment
How is this calculated
Report Last Updated: Nov 29, 2016
Update Available
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Report Card

Click a test to jump to details

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

4/5
not very good [Go to full review]
Feb 5, 2017      
100% TRUST
  • Verified Purchaser
  • Easy Grader (avg. rating: 4.9)


Least Trusted Reviews

It’s useful to know the temperature and humidity levels in ... [Go to full review]
Aug 12, 2016      
0% TRUST
  • Unverified Purchaser
  • Admitted to receiving an incentive
  • Contains repetitive phrases (show)
  • Take-Back Reviewer (33 deleted reviews; avg. rating: 4.9)
  • Brand Repeater (5 of 332 reviews for this brand; avg rating: 5.0)
  • Overlapping Review History: reviewed 3 of 9 top products
  • Easy Grader (avg. rating: 4.9)


Analysis Details

Note: While Amazon.co.uk claims 375 reviews, we counted 21 available on their site.

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

4.8 Product's Average Ease Score

4.4 Category's Average Ease Score


4.8
4.4


Read more about our Reviewer Ease test.


Warn Unverified Purchases

19 of the 21 total reviews for this product are unverified purchases. This is an excessively large percentage of unverified purchases and it may indicate unnatural reviews.

from unverified purchasers

from verified purchases


5.0
5.0


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.

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


8 of the 21 total reviews for this product admitted to receiving a free or discounted product in exchange for a review. This is an excessively large percentage of incentivized reviews which may indicate unnatural reviews.

from incentivized reviews

from non-incentivized reviews


5.0
5.0


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.

Warn Suspicious Reviewers

Take-Back Reviewers


2 of the 21 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


5.0
5.0


Read more about our Suspicious Reviewers test.

Warn Word Count Comparison

  • 43%
  • 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 9 reviews (or 43%) are within an overrepresented word count group. While this is more reviews from overrepresented word count groups than we'd expect to see, these reviews do not appear to have a significant impact on the overall rating.

from reviews with an overrepresented word count

from reviews with a properly represented word count


5.0
5.0


Read more about our Word Count Comparison test.

Warn Phrase Repetition


15 of the 21 total reviews for this product use substantial repetitive phrases between them. This is an excessively large percentage which may indicate unnatural reviews.

from reviews with substantial repetitive phrases

from reviews without substantial repetitive phrases


5.0
5.0


Read more about our Phrase Repetition test.

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

Does not include products
from the same brand


14 of the 21 reviewers have substantial overlapping product review history. While this is more than we'd expect to see, it does not appear to have a significant impact on the overall rating.

from reviewers with substantial overlapping history

from reviewers without a substantial overlapping history


5.0
5.0


Read more about our Overlapping Review History test.

Pass Rating Trend

  • 0%
  • Created on high-volume days
We counted 21 reviews for this product over the span of 29 days, an average of 0.7 reviews per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 5 or fewer reviews on any given day. We didn't find any days exceeding this threshold.
Read more about our Rating Trend test.

Pass Reviewer Participation

  • 0%
  • From reviewers with an overrepresented participation
We didn't find any participation groups that had a statistically significant greater concentration than what we'd expect to see in this category.
Read more about our Reviewer Participation test.

Pass Brand Repeats

Brand Repeaters

We didn't detect a substantial amount of Brand Repeaters.

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 the Deleted Reviews test here.


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