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The Jungle - John Milton #9 (John Milton Thrillers)
More product info From Mark Dawson

Amazon Reviews for  The Jungle - John Milton #9 (John Milton Thrillers)
Rating:
220 Ratings
220 Reviews
("Ratings" vs. "Reviews")
83% of potentially unnatural reviews removed (why?)
Adjusted:
View/Edit Adjustment
Jump to Report Card

Top products in Thrillers with authentic reviews:


Report Card

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

Most Trusted Reviews

Good set of books continuation of characters [Go to full review]
Aug 24, 2018      
100% TRUST
  • Verified Purchaser
  • Critical Reviewer (avg. rating: 4.0)


Least Trusted Reviews

Loved this book! Another great entry into the John Milton ... [Go to full review]
May 18, 2016      
0% TRUST
  • Verified Purchaser
  • Created on a high volume day
  • Overrepresented word count (26 words)
  • Contains repetitive phrases (show)
  • Brand Loyalist (4 of 7 reviews for this brand; avg rating: 5.0)
  • Overlapping Review History: reviewed 1 of 9 top products
  • Overrepresented Participation (posted 7 Reviews)
  • Easy Grader (avg. rating: 5.0)


Analysis Details

Fail Rating Trend

  • 34%
  • Created over 12 days

We counted 220 reviews for this product over the span of 1,211 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 12 days exceeding this threshold:In total, we found that 74 reviews were created on just 12 days. The reviews on these high volume days have rated this product an average of 4.9 while reviews from other days have rated this product an average of 4.7. 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.

from reviews created on high volume days

from reviews created on normal volume days


4.9
4.7


Read more about our Rating Trend test.

Fail Brand Repeats

Brand Repeaters


121 of the 220 reviewers have reviewed other products for this brand. While this is more Brand Repeaters than we'd expect to see, the discrepancy in ratings between the Brand Repeaters and non-repeaters isn't significant enough to rule out the possibility of it being due to random chance.

from Brand Repeaters

from Non-Repeaters


4.9
4.7


Brand Loyalists


18 of the 220 reviewers have reviewed multiple products but half or more of their reviews are for this brand. This is an excessively large percentage of Brand Loyalists which may indicate unnatural reviews.

from Brand Loyalists

from Non-Loyalists


5.0
4.8


Read more about our Brand Repeats test.

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 4.7, 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.

4.7 Product's Average Ease Score

4.4 Category's Average Ease Score


4.7
4.4


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:
5 reviews
(5.0/5)
11 reviews
(5.0/5)
8 reviews
(4.9/5)
9 reviews
(4.9/5)
9 reviews
(4.8/5)
6 reviews
(5.0/5)
10 reviews
(4.9/5)
Show MoreShow Less
Common Phrases in Titles:
3 reviews
(5.0/5)
6 reviews
(4.8/5)
2 reviews
(5.0/5)
3 reviews
(5.0/5)
3 reviews
(5.0/5)
2 reviews
(5.0/5)
2 reviews
(5.0/5)
2 reviews
(4.5/5)
2 reviews
(5.0/5)
2 reviews
(5.0/5)
Show MoreShow Less


94 of the 220 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 4.7. 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.

from reviews with substantial repetitive phrases

from reviews without substantial repetitive phrases


4.9
4.7


Read more about our Phrase Repetition test.

Warn Deleted Reviews

We discovered a total of 2 deleted Reviews 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 Reviewer Participation

  • 83%
  • From reviewers with an overrepresented participation

We see the following 3 participation groups with a statistically significant greater concentration than what we'd expect to see:In total, we found that 182 reviewers (or 83%) are within an overrepresented participation group. This is an excessively high number of reviewers in overrepresented participation groups.

From reviewers with an overrepresented participation

From reviewers with a properly represented participation


4.8
4.9


Read more about our Reviewer Participation test.

Pass Unverified Purchases

25 of the 220 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


4.8
4.8


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

  • 25%
  • 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 56 reviews (or 25%) are within an overrepresented word count group. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.

from reviews with an overrepresented word count

from reviews with a properly represented word count


4.8
4.8


Read more about our Word Count Comparison test.

Pass Suspicious Reviewers

One-Hit Wonders


2 of the 220 reviewers have only reviewed this product. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.

from one-hit wonders

from reviewers with more than one review


5.0
4.8


Never-Verified Reviewers


9 of the 220 reviewers have never written a verified purchase review. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.

from never-verified reviewers

from reviewers with at least one verified purchase review


4.8
4.8


Take-Back Reviewers


18 of the 220 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


5.0
4.8


Single-Day Reviewers


1 of the 220 reviewers have written multiple reviews but posted all of them on a single day. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.

from single-day reviewers

from non-single-day reviewers


5.0
4.8


Read more about our Suspicious Reviewers test.

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

Does not include products
from the same brand


75 of the 220 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
4.8


Read more about our Overlapping Review History 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.


2 of the 220 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.

from incentivized reviews

from non-incentivized reviews


5.0
4.8


Read more about our Incentivized Reviews test. Check out our study showing that Incentivized Reviewers are much more likely to leave a positive review.