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Solar Storms (An Orbs Prequel)
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From Nicholas Sansbury Smith
This report was last updated 7/9/2017.
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Report Info:
Last Updated: Jul 9, 2017
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Note: We only analyze "reviews" and ignore one-tap "ratings".
Report Card
Warn Overall Grade
FAIL Unverified Purchases
FAIL Brand Repeats
FAIL Reviewer Ease
WARN Rating Trend
WARN Incentivized Reviews
WARN Suspicious Reviewers
WARN Word Count Comparison
WARN Phrase Repetition
WARN Reviewer Participation
PASS Overlapping Review History
PASS Deleted Reviews
Most Trusted Reviews
Great. I'm now reading Orbs vol. 1. I'm out of ... [Go to full review]
Oct 1, 2014
100%
TRUST
TRUST
- Verified Purchaser
- Brand Repeater (2 of 36 reviews for this brand; avg rating: 4.5)
- Critical Reviewer (avg. rating: 3.8)
Least Trusted Reviews
A tasty little prequel to ORBS I found it filled ... [Go to full review]
Nov 29, 2013
0%
TRUST
TRUST
- Unverified Purchaser
- Overrepresented word count (26 words)
- Never-Verified Reviewer
- Single-Day Reviewer (posted all reviews on Nov 29, 2013)
- Brand Monogamist (2 of 2 reviews for this brand; avg rating: 5.0)
- Easy Grader (avg. rating: 5.0)
Analysis Details
Fail Unverified Purchases
30 of the 160 total reviews for this product are unverified purchases. The unverified purchasers have rated this product an average of 4.6 while the verified purchasers have 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.
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 Brand Repeats
Brand Loyalists
10 of the 160 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 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 4.3. 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.
4.4 Product's Average Ease Score
4.3 Category's Average Ease Score
Read more about our Reviewer Ease test.
Warn Rating Trend
-
- 16%
- Created over 5 days
We counted 160 reviews for this product over the span of 1,314 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 5 days exceeding this threshold:In total, we found that 25 reviews were created on just 5 days. This is an excessively high number of reviews submitted on these high volume days.
Warn Incentivized Reviews
On Oct 3, 2016, Amazon prohibited incentivized reviews, however we still test for them since there are still millions in our dataset.
8 of the 160 total reviews for this product admitted to receiving a free or discounted product in exchange for a review. While we could not find a statistically significant difference between the average rating of incentivized reviews and non-incentivized reviews, the presences of at least one incentivized review indicates that there may be more, since not all reviewers will disclose that they had received an incentive to post a 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.
Warn Suspicious Reviewers
Take-Back Reviewers
14 of the 160 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, the discrepancy in ratings between the Take-Back Reviewers and reviewers who don't have any deleted reviews in their history isn't significant enough to rule out the possibility of it being due to random chance.
Warn Word Count Comparison
-
- 66%
- 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 3 groups with a statistically significant greater concentration than what we'd expect to see:In total, we found that 106 reviews (or 66%) are within an overrepresented word count group. This is an excessively high number of reviews in overrepresented word count groups.
Warn 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
2 reviews
2 reviews
5 reviews
10 reviews
4 reviews
2 reviews
2 reviews
3 reviews
3 reviews
3 reviews
48 of the 160 total reviews for this product use substantial repetitive phrases between them. This is an excessively large percentage which may indicate unnatural reviews.
Warn Reviewer Participation
-
- 53%
- 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 85 reviewers (or 53%) are within an overrepresented participation group. This is an excessively high number of reviewers in overrepresented participation groups.
Pass Overlapping Review History
Reviewers of this product have ALSO reviewed the following products:
13% also reviewed:
CyberStorm: A Novel by Matthew Mather
9% also reviewed:
Wool by Hugh Howey
8% also reviewed:
The Martian: Classroom Edition: A Novel by Andy Weir
7% also reviewed:
dust by hugh howey
6% also reviewed:
The Atlantis Plague: A Thriller (The Origin... by A.G. Riddle
6% also reviewed:
Silicon Man (Silicon Series Book 1) by William Massa
6% also reviewed:
Extinction Point (Extinction Point Series Book 1) by Paul Antony Jones
Does not include products
from the same brand
from the same brand
55 of the 160 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 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.