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Blood World (Undying Mercenaries Book 8)
More product info
From B. V. Larson
This report was last updated 12/7/2020.
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:
Note: While Amazon.com claims 465 Ratings, we counted 365 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
Pass Overall Grade
FAIL 
Brand Repeats
Brand RepeatsFAIL Phrase Repetition
Phrase RepetitionWARN Rating Trend
Rating TrendWARN Suspicious Reviewers
Suspicious ReviewersWARN Reviewer Ease
Reviewer EasePASS Unverified Purchases
Unverified PurchasesPASS Word Count Comparison
Word Count ComparisonPASS Overlapping Review History
Overlapping Review HistoryPASS Reviewer Participation
Reviewer ParticipationPASS Incentivized Reviews
Incentivized ReviewsPASS Deleted Reviews
Deleted Reviews
Most Trusted Reviews
Once again, James McGill manages to save Earth by cunning ... [Go to full review]
Nov 7, 2017
100%
TRUST
TRUST
-
Verified Purchaser
-
Brand Repeater (2 of 17 reviews for this brand; avg rating: 5.0) -
Overlapping Review History: reviewed 1 of 9 top products -
Easy Grader (avg. rating: 4.3)
Critical Reviewer (avg. rating: 3.9)
Least Trusted Reviews
This is one of many great books in this series. ... [Go to full review]
Dec 4, 2017
0%
TRUST
TRUST
-
Unverified Purchaser -
Created on a high volume day -
Contains repetitive phrases (
show)
-
Take-Back Reviewer (1 deleted Review; avg. rating: 4.0) -
Brand Repeater (4 of 9 reviews for this brand; avg rating: 5.0)
-
Easy Grader (avg. rating: 4.6)
Analysis Details
Fail Brand Repeats
Brand Repeats
Brand Loyalists
15 of the 365 reviewers have reviewed multiple products but half or more of their reviews are for this brand. This is an excessively large percentage of Brand Loyalists which may indicate unnatural reviews.
Fail Phrase Repetition
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
9 reviews
(5.0/5)
(5.0/5)
4 reviews
(5.0/5)
(5.0/5)
11 reviews
(5.0/5)
(5.0/5)
8 reviews
(4.9/5)
(4.9/5)
8 reviews
(4.9/5)
(4.9/5)
3 reviews
(5.0/5)
(5.0/5)
3 reviews
(5.0/5)
(5.0/5)
9 reviews
(5.0/5)
(5.0/5)
7 reviews
(4.3/5)
(4.3/5)
6 reviews
(5.0/5)
(5.0/5)
82 of the 365 total reviews for this product use substantial repetitive phrases between them. These reviewers have rated this product an average of 4.9 while reviews without substantial repetitive phrases rated this product an average of 4.7. 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.
Warn Rating Trend
Rating Trend
-
- 51%
- Created over 33 days
We counted 365 reviews for this product over the span of 1,125 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.
However, we see the following 33 days exceeding this threshold:In total, we found that 185 reviews were created on just 33 days. This is an excessively high number of reviews submitted on these high volume days.
Warn Suspicious Reviewers
Suspicious Reviewers
Take-Back Reviewers
99 of the 365 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.
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 4.2. 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
4.2 Category's Average Ease Score
Read more about our Reviewer Ease test.
Pass Unverified Purchases
Unverified Purchases
179 of the 365 total reviews for this product are unverified purchases. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.
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.
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 Overlapping Review History
Overlapping Review History
Reviewers of this product have ALSO reviewed the following products:
7% also reviewed:
Terms of Enlistment (Frontlines Book 1) by Marko Kloos
5% also reviewed:
The Lost Starship (Lost Starship Series Book 1) by Vaughn Heppner
5% also reviewed:
Black Ops (Expeditionary Force) by Craig Alanson
5% also reviewed:
Into the Black [Remastered Edition] (Odyssey One... by Evan Currie
5% also reviewed:
Constitution: Book 1 of The Legacy Fleet Series by Nick Webb
5% also reviewed:
Fluency by Jennifer Foehner Wells
5% also reviewed:
Lines of Departure (Frontlines Book 2) by Marko Kloos
5% also reviewed:
Call to Arms (Black Fleet Saga Book 2) by Joshua Dalzelle
4% also reviewed:
Fields of Fire (Frontlines) by Marko Kloos
92 of the 365 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
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 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.