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From Adele
This report was last updated 11/2/2018.
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Report Card
Warn Overall Grade
FAIL Unverified Purchases
FAIL Suspicious Reviewers
FAIL Word Count Comparison
FAIL Phrase Repetition
WARN Deleted Reviews
WARN Rating Trend
PASS Overlapping Review History
PASS Reviewer Participation
PASS Reviewer Ease
PASS Brand Repeats
PASS Incentivized Reviews
Most Trusted Reviews
Lieferung viel zu langeCd Packung voll mit Kratzern versehen und ... [Go to full review]
Apr 26, 2017
100%
TRUST
TRUST
- Verified Purchaser
- Critical Reviewer (avg. rating: 3.5)
Least Trusted Reviews
Ich kann nur sagen, das Warten hat sich gelohnt. Adele ... [Go to full review]
May 3, 2016
0%
TRUST
TRUST
- Unverified Purchaser
- Overrepresented word count (28 words)
- Contains repetitive phrases (show)
- Never-Verified Reviewer
- Easy Grader (avg. rating: 5.0)
Analysis Details
Fail Unverified Purchases
175 of the 874 total reviews for this product are unverified purchases. The unverified purchasers have rated this product an average of 3.2 while the verified purchasers have rated this product an average of 4.5. 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
Never-Verified Reviewers
76 of the 874 reviewers have never written a verified purchase review. The Never-Verified Reviewers have rated this product an average of 3.1 while the reviewers who have written at least one verified purchase review 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.
Take-Back Reviewers
41 of the 874 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.
Fail Word Count Comparison
-
- 59%
- 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 2 groups with a statistically significant greater concentration than what we'd expect to see:In total, we found that 517 reviews (or 59%) 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 3.7. 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 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:
Show MoreShow Less
18 reviews
(4.6/5)
(4.6/5)
18 reviews
(4.7/5)
(4.7/5)
37 reviews
(4.3/5)
(4.3/5)
16 reviews
(4.2/5)
(4.2/5)
27 reviews
(4.9/5)
(4.9/5)
11 reviews
(5.0/5)
(5.0/5)
12 reviews
(4.7/5)
(4.7/5)
29 reviews
(4.2/5)
(4.2/5)
21 reviews
(4.4/5)
(4.4/5)
12 reviews
(5.0/5)
(5.0/5)
142 of the 874 total reviews for this product use substantial repetitive phrases between them. These reviewers have rated this product an average of 4.6 while reviews without substantial repetitive phrases rated this product an average of 4.1. 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 Deleted Reviews
We discovered a total of 21 deleted Reviews for this product, with an average rating of 4.1. 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.
Warn Rating Trend
-
- 58%
- Created over 39 days
We counted 874 reviews for this product over the span of 1,092 days, an average of 0.8 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 39 days exceeding this threshold:In total, we found that 505 reviews were created on just 39 days. This is an excessively high number of reviews submitted on these high volume days.
Pass Overlapping Review History
Reviewers of this product have ALSO reviewed the following products:
3% also reviewed:
Fire TV Stick, Zertifiziert und generalüberholt by Amazon Renewed
2% also reviewed:
Weihnachten (2CD) (mit dem Royal Philharmonic... by Helene Fischer
1% also reviewed:
Farbenspiel by Helene Fischer
1% also reviewed:
Guardians of the Galaxy [Blu-ray] by Chris Pratt
1% also reviewed:
Stärker als die Zeit by Udo Lindenberg
1% also reviewed:
Crystal Sky (Re-Release) by Lena
1% also reviewed:
Passengers by Jennifer Lawrence
1% also reviewed:
SanDisk Ultra Android microSDXC 128GB bis zu... by SanDisk
1% also reviewed:
Helene Fischer by Helene Fischer
85 of the 874 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 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.
Read more about our Reviewer Participation 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 4.2, while the average ease score for reviewers in this category is 3.9. While this discrepancy is rather large, it is not quite large enough to rule out the possibility of it being due random chance.
4.2 Product's Average Ease Score
3.9 Category's Average Ease Score
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.
Read more about our Incentivized Reviews test. Check out our study showing that Incentivized Reviewers are much more likely to leave a positive review.