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iPhone 6S Case, Trainium [Clear Cushion] Premium Clear Case Hard Back Panel + TPU Bumper for Apple...
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From Trianium
This report was last updated 11/19/2018.
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Report Info:
Note: We only analyze "reviews" and ignore one-tap "ratings".
Report Card
Pass Overall Grade
FAIL Deleted Reviews
FAIL Rating Trend
FAIL Unverified Purchases
FAIL Suspicious Reviewers
WARN Reviewer Participation
PASS Word Count Comparison
PASS Phrase Repetition
PASS Overlapping Review History
PASS Reviewer Ease
PASS Brand Repeats
PASS Incentivized Reviews
Most Trusted Reviews
Has a great feel to it. I believe that, if ... [Go to full review]
Aug 30, 2017
100%
TRUST
TRUST
- Verified Purchaser
- Take-Back Reviewer (2 deleted Reviews; avg. rating: 5.0)
- Overlapping Review History: reviewed 1 of 9 top products
- Easy Grader (avg. rating: 5.0)
Least Trusted Reviews
Great quality [Go to full review]
Mar 15, 2016
0%
TRUST
TRUST
- Unverified Purchaser
- Created on a high volume day
- Take-Back Reviewer (1 deleted Review; avg. rating: 5.0)
- Overrepresented Participation (posted 30 Reviews)
- Easy Grader (avg. rating: 4.5)
Analysis Details
Fail Deleted Reviews
We discovered a total of 1,098 deleted Reviews for this product, with an average rating of 4.6. 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:
- 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.
- We have no information on reviews that were never published in the first place.
- 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.
Fail Rating Trend
-
- 11%
- Created over 19 days
We counted 1,644 reviews for this product over the span of 1,150 days, an average of 1.4 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 19 days exceeding this threshold:In total, we found that 176 reviews were created on just 19 days. The reviews on these high volume days have rated this product an average of 4.6 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.
Fail Unverified Purchases
216 of the 1,644 total reviews for this product are unverified purchases. The unverified purchasers have rated this product an average of 4.5 while the verified purchasers 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.
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.
Fail Suspicious Reviewers
Take-Back Reviewers
312 of the 1,644 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 4.4 while the reviewers who don't have any deleted reviews in their history 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.
Warn Reviewer Participation
-
- 37%
- From reviewers with an overrepresented participation
We see the following 1 participation group with a statistically significant greater concentration than what we'd expect to see:In total, we found that 610 reviewers (or 37%) are within an overrepresented participation group. While this is more reviews from overrepresented participation groups than we'd expect to see, these reviews do not appear to have a significant impact on the overall rating.
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.
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:
69 reviews
(4.3/5)
(4.3/5)
21 reviews
(4.1/5)
(4.1/5)
20 reviews
(4.5/5)
(4.5/5)
25 of the 1,644 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.
Pass Overlapping Review History
Reviewers of this product have ALSO reviewed the following products:
6% also reviewed:
amFilm Screen Protector 4.7“ for Apple iPhone... by amFilm
4% also reviewed:
iPhone 6s Screen Protector, Maxboost (3 Pack)... by Maxboost
1% also reviewed:
Maxboost (3-Pack) Screen Protector for iPhone SE... by Maxboost
1% also reviewed:
iPhone 6s Screen Protector, Spigen iPhone 6 6s... by Spigen
1% also reviewed:
JETech Screen Protector for iPhone 6 and iPhone... by JETech
Does not include products
from the same brand
from the same brand
299 of the 1,644 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.
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 4.2, while the average ease score for reviewers in this category is 4.3.
4.2 Product's Average Ease Score
4.3 Category's Average Ease Score
Read more about our Reviewer Ease test.
Pass Brand Repeats
Brand Repeaters
56 of the 1,644 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.
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.
12 of the 1,644 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.
Read more about our Incentivized Reviews test. Check out our study showing that Incentivized Reviewers are much more likely to leave a positive review.