Boomer (Star Watch Book 3)
More product info
From Mark Wayne McGinnis
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Report Card
Most Trusted Reviews
TRUST
- Verified Purchaser
- Overlapping Review History: reviewed 2 of 9 top products
- Critical Reviewer (avg. rating: 3.9)
Least Trusted Reviews
TRUST
- Unverified Purchaser
- Contains repetitive phrases (show)
- Brand Repeater (6 of 116 reviews for this brand; avg rating: 5.0)
- Overlapping Review History: reviewed 4 of 9 top products
- Easy Grader (avg. rating: 4.9)
Analysis Details
Take-Back Reviewers
20 of the 102 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.
4.5 Product's Average Ease Score
4.3 Category's Average Ease Score
Read more about our Reviewer Ease test.
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- 21%
- 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 1 group with a statistically significant greater concentration than what we'd expect to see:In total, we found that 21 reviews (or 21%) are within an overrepresented word count group. These reviews have rated this product an average of 4.9, while all other reviews 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.
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- 15%
- Created over 4 days
We counted 102 reviews for this product over the span of 997 days, an average of 0.1 reviews per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 2 or fewer reviews on any given day.
However, we see the following 4 days exceeding this threshold:In total, we found that 15 reviews were created on just 4 days. Although any days with a larger number of reviews than expected is suspicious, these reviews do not appear to have a significant impact on the overall rating.
51 of the 102 total reviews for this product are unverified purchases. While this is a higher percentage of unverified purchases than we'd expect to see, it does not appear to have a significant impact on the overall rating.
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.
23 of the 102 total reviews for this product use substantial repetitive phrases between them. While this is more than we'd expect to see, the discrepancy in ratings between the these reviews and reviews without substantial repetitive phrases isn't significant enough to rule out the possibility of it being due to random chance.
19% also reviewed:
The Lost Starship (Lost Starship Series Book 1) by Vaughn Heppner
15% also reviewed:
Columbus Day (Expeditionary Force Book 1) by Craig Alanson
14% also reviewed:
Steel World (Undying Mercenaries Series Book 1) by B. V. Larson
14% also reviewed:
Battle Cruiser (Lost Colonies Trilogy Book 1) by B. V. Larson
13% also reviewed:
Constitution: Book 1 of The Legacy Fleet Series by Nick Webb
12% also reviewed:
The Lost Patrol (Lost Starship Series) (Volume 5) by Vaughn Heppner
12% also reviewed:
Terms of Enlistment (Frontlines Book 1) by Marko Kloos
12% also reviewed:
Earth Alone (Earthrise Book 1) by Daniel Arenson
11% also reviewed:
The Lost Colony (Lost Starship Series Book 4) by Vaughn Heppner
49 of the 102 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.
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- 0%
- From reviewers with an overrepresented participation
Read more about our Reviewer Participation test.
Brand Repeaters
13 of the 102 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.
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- 0%
- Admitted to receiving an incentive
Read more about our Incentivized Reviews test. Check out our study showing that Incentivized Reviewers are much more likely to leave a positive review.
- 0
- Reviews have been deleted
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.