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Layers of Force (Star Kingdom Book 8)
More product info From Lindsay Buroker

Amazon Reviews for  Layers of Force (Star Kingdom Book 8)
Rating:
2,158 Ratings
("Ratings" vs. "Reviews")
0% of potentially unnatural reviews removed (why?)
Adjusted:
2,158 Ratings*




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Jump to Report Card

Report Info:

Report Card

Pass Overall Grade
WARN Deleted Reviews
WARN Rating Trend
WARN Phrase Repetition
PASS Unverified Purchases
PASS Word Count Comparison
PASS Suspicious Reviewers
PASS Overlapping Review History
PASS Reviewer Ease
PASS Brand Repeats
PASS Incentivized Reviews
N/A Reviewer Participation

Most Trusted Reviews

I started this series in February, finished book 8 today. ... [Go to full review]
Oct 14, 2020      
100% TRUST
  • Verified Purchaser
  • Easy Grader (avg. rating: 4.5)


Least Trusted Reviews

I very much enjoyed this entire series. Great world building ... [Go to full review]
Sep 27, 2020      
0% TRUST
  • Unverified Purchaser
  • Created on a high volume day
  • Overrepresented word count (40 words)
  • Contains repetitive phrases (show)
  • Overrepresented Participation (posted 8 Reviews)
  • Easy Grader (avg. rating: 5.0)


Analysis Details

Warn Deleted Reviews

We discovered a total of 1 deleted Review for this product, with an average rating of 5. Even though deleted reviews don't affect the average rating, the fact that action was taken to delete reviews raises some red flags about the integrity of the reviews for the product as whole.

There are a few limitations to keep in mind regarding the Deleted Reviews test:
  1. 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.
  2. We have no information on reviews that were never published in the first place.
  3. 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.
Read more about our Deleted Reviews test.

5.0 average rating of deleted reviews

5.0


Show distribution of deleted reviews

Warn Rating Trend
It appears that several reviews were created during just a short period of time.
Read more about our Rating Trend test.

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:
~20% of reviews
(5.0/5)
~7% of reviews
(5.0/5)
~10% of reviews
(5.0/5)
~7% of reviews
(5.0/5)
~7% of reviews
(4.5/5)
~7% of reviews
(5.0/5)
~7% of reviews
(5.0/5)
~23% of reviews
(4.9/5)
Show MoreShow Less
Common Phrases in Titles:
~7% of reviews
(4.5/5)
~7% of reviews
(5.0/5)


Approximately 20% of reviews use substantial repetitive phrases between them. While this is more than we'd expect to see, it does not appear to have a significant impact on the overall rating.

from reviews with substantial repetitive phrases

from reviews without substantial repetitive phrases


4.8
4.9


Read more about our Phrase Repetition test.

Pass Unverified Purchases

216 of the 2,158 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.

from unverified purchasers

from verified purchases


5.0
4.9


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

  • <10%
  • 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.

Pass Suspicious Reviewers

One-Hit Wonders

We didn't detect a substantial amount of One Hit Wonders.

Never-Verified Reviewers

We didn't detect a substantial amount of Never-Verified Reviewers.

Take-Back Reviewers


Approximately 15% of reviewers have had at least one of their past reviews for another product deleted. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.

from take-back reviewers

from reviewers without previously deleted reviews


4.8
4.9


Single-Day Reviewers

We didn't detect a substantial amount of Single-Day Reviewers.

Pass Overlapping Review History
Reviewers of this product have ALSO reviewed the following products:

<10% also reviewed:
Darknet by Matthew Mather

Does not include products
from the same brand


Approximately 40% of 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.

from reviewers with substantial overlapping history

from reviewers without a substantial overlapping history


4.8
4.9


Read more about our Overlapping Review History test.

Pass 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 4.5, while the average ease score for reviewers in this category is 4.3. While this discrepancy is rather large, it is not quite large enough to rule out the possibility of it being due random chance.

4.5 Product's Average Ease Score

4.3 Category's Average Ease Score


4.5
4.3


Read more about our Reviewer Ease test.


Pass Brand Repeats

Brand Repeaters


Approximately 15% of 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.

from Brand Repeaters

from Non-Repeaters


5.0
4.8


Read more about our Brand Repeats test.

Pass Incentivized Reviews
On Oct 3, 2016, Amazon prohibited incentivized reviews, however we still test for them since there are still millions in our dataset.

  • <10%
  • 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.

N/A Reviewer Participation
We haven't collected sufficient data to run this test yet. more info