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Dear Carolina
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From Harvey, Kristy Woodson
This report was last updated 3/14/2018.
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Report Info:
Last Updated: Mar 14, 2018
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Note: We only analyze "reviews" and ignore one-tap "ratings".
Top products in Coming of Age with authentic reviews:
Report Card
Fail Overall Grade
FAIL
Rating Trend
![](/public/imgs/reviewmeta/rt-icon.png)
FAIL
Unverified Purchases
![](/public/imgs/reviewmeta/vp-icon.png)
FAIL
Suspicious Reviewers
![](/public/imgs/reviewmeta/su-icon.png)
FAIL
Reviewer Ease
![](/public/imgs/reviewmeta/sc-icon.png)
FAIL
Phrase Repetition
![](/public/imgs/reviewmeta/pr-icon.png)
FAIL
Reviewer Participation
![](/public/imgs/reviewmeta/ex-icon.png)
PASS
Word Count Comparison
![](/public/imgs/reviewmeta/wc-icon.png)
PASS
Overlapping Review History
![](/public/imgs/reviewmeta/rh-icon.png)
PASS
Brand Repeats
![](/public/imgs/reviewmeta/re-icon.png)
PASS
Incentivized Reviews
![](/public/imgs/reviewmeta/ic-icon.png)
PASS
Deleted Reviews
![](/public/imgs/reviewmeta/dl-icon.png)
Most Trusted Reviews
I thought it was okay. Kind of sad, but she ... [Go to full review]
Jul 31, 2017
100%
TRUST
TRUST
-
Verified Purchaser
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Critical Reviewer (avg. rating: 3.6)
Least Trusted Reviews
Dear Carolina is an enchanting southern novel that awakens every ... [Go to full review]
May 6, 2015
0%
TRUST
TRUST
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Unverified Purchaser
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Created on a high volume day
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Contains repetitive phrases (
show)
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One-Hit Wonder
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Never-Verified Reviewer
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Overrepresented Participation (posted 1 Review)
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Easy Grader (avg. rating: 5.0)
Analysis Details
Fail
Rating Trend
![](/public/imgs/reviewmeta/rt-icon.png)
-
- 29%
- Created over 3 days
We counted 188 reviews for this product over the span of 1,034 days, an average of 0.2 reviews per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 3 or fewer reviews on any given day.
However, we see the following 3 days exceeding this threshold:In total, we found that 55 reviews were created on just 3 days. The reviews on these high volume days have rated this product an average of 5.0 while reviews from other days have rated this product an average of 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.
Fail
Unverified Purchases
![](/public/imgs/reviewmeta/vp-icon.png)
113 of the 188 total reviews for this product are unverified purchases. The unverified purchasers have rated this product an average of 4.8 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
Suspicious Reviewers
![](/public/imgs/reviewmeta/su-icon.png)
One-Hit Wonders
47 of the 188 reviewers have only reviewed this product. The One-Hit Wonders have rated this product an average of 4.8 while the reviewers who have posted more than one review have rated this product an average of 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.
Never-Verified Reviewers
45 of the 188 reviewers have never written a verified purchase review. The Never-Verified Reviewers have rated this product an average of 4.9 while the reviewers who have written at least one verified purchase review rated this product an average of 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.
Take-Back Reviewers
11 of the 188 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.
Fail
Reviewer Ease
![](/public/imgs/reviewmeta/sc-icon.png)
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 4.3. 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.
4.6 Product's Average Ease Score
4.3 Category's Average Ease Score
Read more about our Reviewer Ease test.
Fail
Phrase Repetition
![](/public/imgs/reviewmeta/pr-icon.png)
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
4 reviews
28 reviews
5 reviews
2 reviews
6 reviews
6 reviews
2 reviews
74 of the 188 total reviews for this product use substantial repetitive phrases between them. These reviewers have rated this product an average of 4.8 while reviews without substantial repetitive phrases rated this product an average of 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.
Fail
Reviewer Participation
![](/public/imgs/reviewmeta/ex-icon.png)
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- 70%
- 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 131 reviewers (or 70%) are within an overrepresented participation group. These reviews have rated this product an average of 4.6, while all other reviews have rated this product an average of 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.
Pass
Word Count Comparison
![](/public/imgs/reviewmeta/wc-icon.png)
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- 0%
- 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.
Read more about our Word Count Comparison test.
Pass
Overlapping Review History
![](/public/imgs/reviewmeta/rh-icon.png)
Reviewers of this product have ALSO reviewed the following products:
10% also reviewed:
The Nightingale: A Novel by Kristin Hannah
8% also reviewed:
The Girl on the Train: A Novel by Paula Hawkins
6% also reviewed:
Pretty Baby by Mary Kubica
6% also reviewed:
Don't You Cry by Mary Kubica
6% also reviewed:
Pretending to Dance by Diane Chamberlain
6% also reviewed:
The Good Girl by Kubica, Mary
5% also reviewed:
House Broken by Sonja Yoerg
Does not include products
from the same brand
from the same brand
40 of the 188 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
![](/public/imgs/reviewmeta/re-icon.png)
Brand Repeaters
2 of the 188 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
Incentivized Reviews
![](/public/imgs/reviewmeta/ic-icon.png)
On Oct 3, 2016, Amazon prohibited incentivized reviews, however we still test for them since there are still millions in our dataset.
1 of the 188 total reviews for this product admitted to receiving a free or discounted product in exchange for a review. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.
Read more about our Incentivized Reviews test. Check out our study showing that Incentivized Reviewers are much more likely to leave a positive review.
Pass
Deleted Reviews
![](/public/imgs/reviewmeta/dl-icon.png)
- 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.