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iXCC ® Rainbow Series 5-color Value Pack Hollow Pattern Design PC Case with Hard Plastic Floral...
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This report was last updated 3/27/2017.
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Report Info:
Last Updated: Mar 27, 2017
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Note: While Amazon.com claims 872 Ratings, we counted 657 Reviews available on their site.
Note: We only analyze "reviews" and ignore one-tap "ratings".
Note: We only analyze "reviews" and ignore one-tap "ratings".
Report Card
Warn Overall Grade
FAIL Deleted Reviews
FAIL Unverified Purchases
FAIL Suspicious Reviewers
FAIL Reviewer Ease
WARN Rating Trend
WARN Incentivized Reviews
WARN Brand Repeats
WARN Reviewer Participation
PASS Word Count Comparison
PASS Phrase Repetition
PASS Overlapping Review History
Most Trusted Reviews
They fit snug and what a bargain. I am ... [Go to full review]
Jun 7, 2016
100%
TRUST
TRUST
- Verified Purchaser
- Take-Back Reviewer (3 deleted Reviews; avg. rating: 3.3)
- Critical Reviewer (avg. rating: 3.8)
Least Trusted Reviews
These cases are made durably and are well constructed, they ... [Go to full review]
Jun 16, 2016
0%
TRUST
TRUST
- Unverified Purchaser
- Admitted to receiving an incentive
- Never-Verified Reviewer
- Take-Back Reviewer (1 deleted Review; avg. rating: 5.0)
- Overrepresented Participation (posted 2 Reviews)
- Easy Grader (avg. rating: 4.5)
Analysis Details
Fail Deleted Reviews
We discovered a total of 358 deleted Reviews for this product, with an average rating of 4.5. 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:
- 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 Unverified Purchases
116 of the 657 total reviews for this product are unverified purchases. The unverified purchasers have rated this product an average of 4.6 while the verified purchasers have rated this product an average of 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.
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
One-Hit Wonders
199 of the 657 reviewers have only reviewed this product. This is an excessively large percentage of One-Hit Wonders which may indicate unnatural reviews.
Never-Verified Reviewers
53 of the 657 reviewers have never written a verified purchase review. The Never-Verified Reviewers have rated this product an average of 4.7 while the reviewers who have written at least one verified purchase review rated this product an average of 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.
Take-Back Reviewers
208 of the 657 reviewers have had at least one of their past reviews for another product deleted. This is an excessively large percentage of Take-Back Reviewers which may indicate unnatural reviews.
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 4.4, while the average ease score for reviewers in this category is 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.
4.4 Product's Average Ease Score
4.3 Category's Average Ease Score
Read more about our Reviewer Ease test.
Warn Rating Trend
-
- 6%
- Created over 4 days
We counted 657 reviews for this product over the span of 999 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.
However, we see the following 4 days exceeding this threshold:In total, we found that 40 reviews were created on just 4 days. Although any days with a larger number of reviews than expected is suspicious, the discrepancy in ratings from reviews created on these high volume days and reviews created on other days isn't significant enough to rule out the possibility of it being due to random chance.
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.
34 of the 657 total reviews for this product admitted to receiving a free or discounted product in exchange for a review. While we could not find a statistically significant difference between the average rating of incentivized reviews and non-incentivized reviews, the presences of at least one incentivized review indicates that there may be more, since not all reviewers will disclose that they had received an incentive to post a review.
Read more about our Incentivized Reviews test. Check out our study showing that Incentivized Reviewers are much more likely to leave a positive review.
Warn Brand Repeats
Brand Loyalists
19 of the 657 reviewers have reviewed multiple products but half or more of their reviews are for this brand. While this is more Brand Loyalists than we'd expect to see, the discrepancy in ratings between the Brand Loyalists and non-loyalists isn't significant enough to rule out the possibility of it being due to random chance.
Warn Reviewer Participation
-
- 66%
- 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 435 reviewers (or 66%) are within an overrepresented participation group. This is an excessively high number of reviewers in overrepresented participation groups.
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.
8 of the 657 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:
2% also reviewed:
Stalion Sleek Series Case for iPhone 6 6s by Stalion
2% also reviewed:
Grounded Universal 2 in 1 Plug Adapter by AG Appliances Inc.
2% also reviewed:
Alina Skin Care Award Winning &... by Alina Skin Care, Inc
1% also reviewed:
G7 Power G7BR20727D BR20 Dimmable LED Light Bulb by
1% also reviewed:
Panasonic RP-HJE120 in-Ear Earbud Ergo-Fit... by Panasonic
Does not include products
from the same brand
from the same brand
48 of the 657 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.