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Amazon.com > Books > Children's Books > Growing Up & Facts of Life > Friendship, Social Skills & School Life > Girls & Women
Alyssa McCarthy's Magical Missions: Book 1: From Frights to Flaws
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From Sunayna Prasad
This report was last updated 7/13/2017.
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Report Info:
Last Updated: Jul 13, 2017
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Note: We only analyze "reviews" and ignore one-tap "ratings".
Report Card
Warn Overall Grade
FAIL Suspicious Reviewers
FAIL Reviewer Ease
WARN Unverified Purchases
WARN Incentivized Reviews
WARN Word Count Comparison
WARN Phrase Repetition
WARN Reviewer Participation
PASS Rating Trend
PASS Overlapping Review History
PASS Brand Repeats
PASS Deleted Reviews
Most Trusted Reviews
Fantastic young adult novel with epic adventure and fun. If ... [Go to full review]
Feb 23, 2015
95%
TRUST
TRUST
- Verified Purchaser
- Take-Back Reviewer (77 deleted Reviews; avg. rating: 4.9)
- Overlapping Review History: reviewed 2 of 9 top products
- Easy Grader (avg. rating: 4.9)
Least Trusted Reviews
3.5/5Alyssa wants a new life and is tired of the ... [Go to full review]
Feb 12, 2015
15%
TRUST
TRUST
- Unverified Purchaser
- Overrepresented word count (134 words)
- Admitted to receiving an incentive
- Contains repetitive phrases (show)
- Take-Back Reviewer (1 deleted Review; avg. rating: 5.0)
- Overrepresented Participation (posted 108 Reviews)
- Critical Reviewer (avg. rating: 4.3)
Analysis Details
Fail Suspicious Reviewers
Take-Back Reviewers
18 of the 91 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.
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 4.6, while the average ease score for reviewers in this category is 4.4. 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.
4.6 Product's Average Ease Score
4.4 Category's Average Ease Score
Read more about our Reviewer Ease test.
Warn Unverified Purchases
52 of the 91 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 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 91 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 Word Count Comparison
-
- 34%
- 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 31 reviews (or 34%) are within an overrepresented word count group. While this is more reviews from overrepresented word count groups than we'd expect to see, these reviews do not appear to have a significant impact on the overall rating.
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
7 reviews
5 reviews
15 reviews
17 reviews
8 reviews
8 reviews
10 reviews
68 of the 91 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
-
- 59%
- From reviewers with an overrepresented participation
We see the following 2 participation groups with a statistically significant greater concentration than what we'd expect to see:In total, we found that 54 reviewers (or 59%) are within an overrepresented participation group. This is an excessively high number of reviewers in overrepresented participation groups.
Pass Rating Trend
-
- 0%
- Created on high-volume days
We counted 91 reviews for this product over the span of 1,336 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. We didn't find any days exceeding this threshold.
Read more about our Rating Trend test.
Read more about our Rating Trend test.
Pass Overlapping Review History
Reviewers of this product have ALSO reviewed the following products:
10% also reviewed:
The Dead Game by Susanne Leist
10% also reviewed:
asin marketplace id Search Attribute Value ... by LAMPAT
9% also reviewed:
Grumpy Old Wizards by John O'Riley
9% also reviewed:
Life Lessons from Nature: Motivational Speaker,... by Elvis Newman
9% also reviewed:
Rise of the Dragon King: Book two of the Royalty... by M. R. Mathias
9% also reviewed:
Ear Thermometer - Medical Quick Read Ear... by iProvèn
9% also reviewed:
The Sect: The Windgate (The School of Ministry... by Braxton A. Cosby
Does not include products
from the same brand
from the same brand
37 of the 91 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 Repeaters
We didn't detect a substantial amount of Brand Repeaters.
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.