The Lost Stars: Perilous Shield
More product info
From Jack Campbell
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Note: While we've examined all 120 reviews, our reviewer analysis is based on a sample of 29 reviewers.
Note: We only analyze "reviews" and ignore one-tap "ratings".
Report Card
Most Trusted Reviews
TRUST
- Verified Purchaser
- Brand Repeater (4 of 19 reviews for this brand; avg rating: 5.0)
- Easy Grader (avg. rating: 4.5)
Least Trusted Reviews
TRUST
- Verified Purchaser
- Overrepresented word count (196 words)
- Contains repetitive phrases (show)
- Brand Repeater (2 of 37 reviews for this brand; avg rating: 3.5)
- Critical Reviewer (avg. rating: 3.5)
Analysis Details
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- 8%
- Created over 3 days
We counted 120 reviews for this product over the span of 1,127 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 3 days exceeding this threshold:In total, we found that 10 reviews were created on just 3 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.
25 of the 120 total reviews for this product use substantial repetitive phrases between them. This is an excessively large percentage which may indicate unnatural reviews.
62% also reviewed:
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14% also reviewed:
Valiant (The Lost Fleet, Book 4) by Ace
14% also reviewed:
Relentless (The Lost Fleet, Book 5) by Ace
14% also reviewed:
Leviathan Wakes (The Expanse, 1) by
14% also reviewed:
Ark Royal by Christopher G. Nuttall
14% also reviewed:
Tully's Coffee, K-Cup packs by Tully's Coffee
10% also reviewed:
Terms of Enlistment (Frontlines Book 1) by Marko Kloos
10% also reviewed:
Lines of Departure (Frontlines Book 2) by Marko Kloos
10% also reviewed:
The Nelson Touch (Ark Royal Book 2) by Christopher Nuttall
15 of a random sample of 29 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.
18 of the 120 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.
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- 18%
- 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 22 reviews (or 18%) are within an overrepresented word count group. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.
One-Hit Wonders
Never-Verified Reviewers
3 of a random sample of 29 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
Single-Day Reviewers
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- 0%
- From reviewers with an overrepresented participation
Read more about our Reviewer Participation test.
4.2 Product's Average Ease Score
4.2 Category's Average Ease Score
Read more about our Reviewer Ease test.
Brand Repeaters
7 of a random sample of 29 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.