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Where the Forest Meets the Stars
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From Glendy Vanderah
This report was last updated 4/1/2021.
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 20,135 Ratings, we counted 9,994 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
Warn Overall Grade
FAIL 
Incentivized Reviews
Incentivized ReviewsFAIL Word Count Comparison
Word Count ComparisonFAIL Phrase Repetition
Phrase RepetitionWARN Rating Trend
Rating TrendWARN Unverified Purchases
Unverified PurchasesWARN Suspicious Reviewers
Suspicious ReviewersWARN Reviewer Ease
Reviewer EaseWARN Reviewer Participation
Reviewer ParticipationPASS Overlapping Review History
Overlapping Review HistoryPASS Brand Repeats
Brand RepeatsPASS Deleted Reviews
Deleted Reviews
Most Trusted Reviews
Wow. I fell in love with Ursa and her vivid ... [Go to full review]
Dec 11, 2020
100%
TRUST
TRUST
-
Verified Purchaser
-
Take-Back Reviewer (5 deleted Reviews; avg. rating: 4.0) -
Critical Reviewer (avg. rating: 3.7)
Least Trusted Reviews
Couldn't put it down! The little alien will invade your ... [Go to full review]
Mar 4, 2019
0%
TRUST
TRUST
-
Unverified Purchaser -
Created on a high volume day -
Overrepresented word count (27 words) -
Contains repetitive phrases (
show)
-
Take-Back Reviewer (1 deleted Review; avg. rating: 5.0)
-
Overrepresented Participation (posted 7 Reviews) -
Easy Grader (avg. rating: 5.0)
Analysis Details
Fail 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.
10 of the 9,994 total reviews for this product admitted to receiving a free or discounted product in exchange for a review. Incentivized reviews have rated this product an average of 3.8 while reviews that were not incentivized rated this product an average of 4.6. 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.
Read more about our Incentivized Reviews test. Check out our study showing that Incentivized Reviewers are much more likely to leave a positive review.
Fail Word Count Comparison
Word Count Comparison
-
- 62%
- 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 2 groups with a statistically significant greater concentration than what we'd expect to see:In total, we found that 6,235 reviews (or 62%) are within an overrepresented word count group. These reviews have rated this product an average of 4.7, 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.
Fail Phrase Repetition
Phrase Repetition
Reviews that contain one of these phrases are NOT necessarily devalued; read more about how this test works here.
811 of the 9,994 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 4.6. 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
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- 37%
- Created over 91 days
We counted 9,994 reviews for this product over the span of 789 days, an average of 12.7 reviews per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 26 or fewer reviews on any given day.
However, we see the following 91 days exceeding this threshold:In total, we found that 3,687 reviews were created on just 91 days. This is an excessively high number of reviews submitted on these high volume days.
Warn Unverified Purchases
Unverified Purchases
5,029 of the 9,994 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.
Warn Suspicious Reviewers
Suspicious Reviewers
Take-Back Reviewers
2,620 of the 9,994 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.
Warn Reviewer Participation
Reviewer Participation
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- 38%
- 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 3844 reviewers (or 38%) are within an overrepresented participation group. While this is more reviews from overrepresented participation groups than we'd expect to see, the discrepancy in ratings between reviewers in an overrepresented participation groups and all other reviewers isn’t significant enough to rule out the possibility of it being due to random chance.
Pass Overlapping Review History
Overlapping Review History
Reviewers of this product have ALSO reviewed the following products:
4% also reviewed:
Beneath a Scarlet Sky: A Novel by Mark Sullivan
4% also reviewed:
The Storyteller's Secret: A Novel by Sejal Badani
3% also reviewed:
When We Believed in Mermaids: A Novel by Barbara O'Neal
2% also reviewed:
Stillhouse Lake by Rachel Caine
2% also reviewed:
Everything We Keep: A Novel by Kerry Lonsdale
2% also reviewed:
I Am Watching You by Teresa Driscoll
2% also reviewed:
Take Me With You by Hyde, Catherine Ryan
2% also reviewed:
My Sister's Grave (Tracy Crosswhite Book 1) by Robert Dugoni
2% also reviewed:
The Ragged Edge of Night by Olivia Hawker
1,686 of the 9,994 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 Brand Repeats
Brand Repeats
Brand Repeaters
8 of the 9,994 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.
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.