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The Child Taker to Criminally Insane Box Set, Crime Books 1, 2 and 3 Detective Alec Ramsay Mystery...
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From Conrad Jones
This report was last updated 12/10/2017.
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Report Info:
Last Updated: Dec 10, 2017
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Note: We only analyze "reviews" and ignore one-tap "ratings".
Report Card
Fail Overall Grade
FAIL Suspicious Reviewers
FAIL Reviewer Ease
FAIL Phrase Repetition
WARN Deleted Reviews
WARN Rating Trend
WARN Word Count Comparison
WARN Reviewer Participation
PASS Unverified Purchases
PASS Overlapping Review History
PASS Brand Repeats
PASS Incentivized Reviews
Most Trusted Reviews
This is a good read for people that know this ... [Go to full review]
Apr 5, 2014
100%
TRUST
TRUST
- Verified Purchaser
- Take-Back Reviewer (3 deleted Reviews; avg. rating: 4.7)
- Critical Reviewer (avg. rating: 4.1)
Least Trusted Reviews
Interesting read. [Go to full review]
Sep 4, 2014
0%
TRUST
TRUST
- Verified Purchaser
- Single-Day Reviewer (posted all reviews on Sep 4, 2014)
- Overrepresented Participation (posted 2 Reviews)
- Easy Grader (avg. rating: 4.5)
Analysis Details
Fail Suspicious Reviewers
Take-Back Reviewers
10 of the 201 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.
Single-Day Reviewers
6 of the 201 reviewers have written multiple reviews but posted all of them on a single day. The Single-Day reviewers have rated this product an average of 2.3 while all other reviewers 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.
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 4.3, while the average ease score for reviewers in this category is 4.2. 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.
4.3 Product's Average Ease Score
4.2 Category's Average Ease Score
Read more about our Reviewer Ease test.
Fail 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
4 reviews
2 reviews
6 reviews
7 reviews
7 reviews
2 reviews
3 reviews
4 reviews
7 reviews
2 reviews
44 of the 201 total reviews for this product use substantial repetitive phrases between them. These reviewers have rated this product an average of 4.7 while reviews without substantial repetitive phrases rated this product an average of 3.9. 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 Deleted Reviews
We discovered a total of 1 deleted Review for this product, with an average rating of 4. 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:
- 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.
Warn Rating Trend
-
- 9%
- Created over 4 days
We counted 201 reviews for this product over the span of 1,268 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 4 days exceeding this threshold:In total, we found that 19 reviews were created on just 4 days. Although any days with a larger number of reviews than expected is suspicious, these reviews do not appear to have a significant impact on the overall rating.
Warn Word Count Comparison
-
- 37%
- 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 74 reviews (or 37%) 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 Reviewer Participation
-
- 31%
- 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 62 reviewers (or 31%) are within an overrepresented participation group. While this is more reviews from overrepresented participation groups than we'd expect to see, these reviews do not appear to have a significant impact on the overall rating.
Pass Unverified Purchases
8 of the 201 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.
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 Overlapping Review History
Reviewers of this product have ALSO reviewed the following products:
6% also reviewed:
Itsy Bitsy Spider (Emma Frost Book 1) by Willow Rose
5% also reviewed:
Cold Fear by Rick Mofina
5% also reviewed:
A Field of Red (Frank Harper Mysteries Book 1) by Greg Enslen
5% also reviewed:
Blood Orchids (Lei Crime, Book 1) by Toby Neal
5% also reviewed:
The Advocate (The Advocate Series Book 1) by Teresa Burrell
5% also reviewed:
Miss Polly had a Dolly (Emma Frost Book 2) by Willow Rose
4% also reviewed:
Alex by Adam J Nicolai
4% also reviewed:
Amid the Shadows by Michael C. Grumley
Does not include products
from the same brand
from the same brand
53 of the 201 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 Incentivized Reviews
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 201 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.