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Becoming George Washington
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From Stephen Yoch
This report was last updated 7/7/2017.
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Report Info:
Last Updated: Jul 7, 2017
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Note: We only analyze "reviews" and ignore one-tap "ratings".
Top products in Biographical with authentic reviews:
Report Card
Fail Overall Grade
FAIL Suspicious Reviewers
FAIL Reviewer Ease
WARN Rating Trend
WARN Unverified Purchases
WARN Phrase Repetition
WARN Reviewer Participation
PASS Word Count Comparison
PASS Overlapping Review History
PASS Brand Repeats
PASS Incentivized Reviews
PASS Deleted Reviews
Most Trusted Reviews
With so many great t.v. series to binge on with ... [Go to full review]
Feb 6, 2016
95%
TRUST
TRUST
- Verified Purchaser
- Take-Back Reviewer (2 deleted Reviews; avg. rating: 4.5)
- Easy Grader (avg. rating: 4.4)
Least Trusted Reviews
Great take on George Washington, great read! [Go to full review]
Sep 26, 2015
0%
TRUST
TRUST
- Unverified Purchaser
- Created on a high volume day
- Contains repetitive phrases (show)
- Never-Verified Reviewer
- Overrepresented Participation (posted 3 Reviews)
- Easy Grader (avg. rating: 5.0)
Analysis Details
Fail Suspicious Reviewers
One-Hit Wonders
30 of the 77 reviewers have only reviewed this product. This is an excessively large percentage of One-Hit Wonders which may indicate unnatural reviews.
Never-Verified Reviewers
26 of the 77 reviewers have never written a verified purchase review. While this is more Never-Verified Reviewers than we'd expect to see, the discrepancy in ratings between the Never-Verified Reviewers and reviewers who have written at least one verified purchase review isn't significant enough to rule out the possibility of it being due to random chance.
Take-Back Reviewers
2 of the 77 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
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 4.2. 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.
4.6 Product's Average Ease Score
4.2 Category's Average Ease Score
Read more about our Reviewer Ease test.
Warn Rating Trend
-
- 13%
- Created over 2 days
We counted 77 reviews for this product over the span of 575 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.
However, we see the following 2 days exceeding this threshold:In total, we found that 10 reviews were created on just 2 days. Although any days with a larger number of reviews than expected is suspicious, the discrepancy in ratings from reviews created on these high volume days and reviews created on other days isn't significant enough to rule out the possibility of it being due to random chance.
Warn Unverified Purchases
41 of the 77 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 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
10 reviews
5 reviews
2 reviews
2 reviews
9 reviews
5 reviews
5 reviews
52 of the 77 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
-
- 92%
- 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 71 reviewers (or 92%) are within an overrepresented participation group. This is an excessively high number of reviewers in overrepresented participation groups.
Pass Word Count Comparison
-
- 29%
- 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 22 reviews (or 29%) 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.
Pass Overlapping Review History
Reviewers of this product have ALSO reviewed the following products:
4% also reviewed:
The Drop (A Harry Bosch Novel) by Michael Connelly
3% also reviewed:
The Memory Keeper's Daughter: A Novel by Penguin Books
3% also reviewed:
The Sentry (Joe Pike) by Robert Crais
3% also reviewed:
Pomegranate Soup: A Novel by Mehran, Marsha
3% also reviewed:
Minding Frankie by Maeve Binchy
3% also reviewed:
Fall of Giants (The Century Trilogy, Book 1) by Ken Follett
3% also reviewed:
Silken Prey: A Lucas Davenport Novel (The Prey... by John Sandford
3% also reviewed:
The Gods of Guilt (Mickey Haller Book 5) by Michael Connelly
Does not include products
from the same brand
from the same brand
3 of the 77 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.
-
- 0%
- Admitted to receiving an incentive
We didn't detect any reviews that used language indicating they were incentivized.
Read more about our Incentivized Reviews test. Check out our study showing that Incentivized Reviewers are much more likely to leave a positive 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.
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.