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The Extinction Cycle - Buch 1: Verpestet: Postapokalyptischer Thriller
More product info
From Nicholas Sansbury Smith
This report was last updated 1/30/2017.
Refresh the report to view the most up-to-date data available:
Refresh the report to view the most up-to-date data available:
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Report Info:
Last Updated: Jan 30, 2017
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Note: While Amazon.de claims 31 Ratings, we counted 26 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
Fail Overall Grade
WARN 
Unverified Purchases
Unverified PurchasesWARN Reviewer Ease
Reviewer EaseWARN Phrase Repetition
Phrase RepetitionWARN Overlapping Review History
Overlapping Review HistoryWARN Reviewer Participation
Reviewer ParticipationPASS Rating Trend
Rating TrendPASS Word Count Comparison
Word Count ComparisonPASS Suspicious Reviewers
Suspicious ReviewersPASS Brand Repeats
Brand RepeatsPASS Incentivized Reviews
Incentivized ReviewsPASS Deleted Reviews
Deleted Reviews
Most Trusted Reviews
Die Story - mutiertes Virus - ist zwar nicht neu, ... [Go to full review]
Dec 22, 2016
90%
TRUST
TRUST
-
Verified Purchaser
-
Overrepresented Participation (posted 8 Reviews) -
Critical Reviewer (avg. rating: 3.5)
Least Trusted Reviews
was da abgeht, ein Alptraum den man sich nicht zu ... [Go to full review]
Jan 26, 2017
10%
TRUST
TRUST
-
Unverified Purchaser -
Contains repetitive phrases (
show)
-
Take-Back Reviewer (151 deleted Reviews; avg. rating: 4.3) -
Overlapping Review History: reviewed 7 of 9 top products -
Overrepresented Participation (posted 4420 Reviews)
-
Critical Reviewer (avg. rating: 3.9)
Analysis Details
Warn Unverified Purchases
Unverified Purchases
23 of the 26 total reviews for this product are unverified purchases. This is an excessively large percentage of unverified purchases and it may indicate 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.
Warn Reviewer Ease
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 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.
4.4 Product's Average Ease Score
3.9 Category's Average Ease Score
Read more about our Reviewer Ease test.
Warn Phrase Repetition
Phrase Repetition
Reviews that contain one of these phrases are NOT necessarily devalued; read more about how this test works here.
9 of the 26 total reviews for this product use substantial repetitive phrases between them. This is an excessively large percentage which may indicate unnatural reviews.
Warn Overlapping Review History
Overlapping Review History
Reviewers of this product have ALSO reviewed the following products:
88% also reviewed:
Duracell Ultra Power Typ AA Alkaline Batterien,... by Duracell
50% also reviewed:
Braun Satin Hair 7 SensoDryer Haartrockner,... by Braun
50% also reviewed:
Wicked Chili 2.5D Echtglas kompatibel mit Samsung... by Wicked Chili
46% also reviewed:
Amazon Basics HDMI A -zu-DVI-Adapterkabel, 1.8 m,... by Amazon Basics
35% also reviewed:
tesa Zahnbürstenhalter, wasserfest für Dusche... by tesa
35% also reviewed:
FiberHUSK Flohsamenschalen gemahlen Pulver | Das... by Husk Fibre
19 of the 26 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.
Warn Reviewer Participation
Reviewer Participation
-
- 100%
- 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 26 reviewers (or 100%) are within an overrepresented participation group. This is an excessively high number of reviewers in overrepresented participation groups.
Pass Rating Trend
Rating Trend
-
- 0%
- Created on high-volume days
We counted 26 reviews for this product over the span of 81 days, an average of 0.3 reviews per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 3 or fewer reviews on any given day. We didn't find any days exceeding this threshold.
Read more about our Rating Trend test.
Read more about our Rating Trend test.
Pass Word Count Comparison
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 Suspicious Reviewers
Suspicious Reviewers
One-Hit Wonders
We didn't detect a substantial amount of One Hit Wonders.
Never-Verified Reviewers
4 of the 26 reviewers have never written a verified purchase review. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.
Take-Back Reviewers
We didn't detect a substantial amount of Take-Back Reviewers.
Single-Day Reviewers
We didn't detect a substantial amount of Single-Day Reviewers.
Pass Brand Repeats
Brand Repeats
Brand Repeaters
We didn't detect a substantial amount of Brand Repeaters.
Pass Incentivized Reviews
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.
Pass Deleted Reviews
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:
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.