Killers of the Flower Moon: Oil, Money, Murder and the Birth of the FBI
More product info
From SIMON SCHUSTER
Refresh the report to view the most up-to-date data available:
Note: We only analyze "reviews" and ignore one-tap "ratings".
Report Card
Most Trusted Reviews
TRUST
- Verified Purchaser
- Critical Reviewer (avg. rating: 4.0)
Least Trusted Reviews
TRUST
- Verified Purchaser
- Created on a high volume day
- Contains repetitive phrases (show)
- Take-Back Reviewer (1 deleted Review; avg. rating: 2.0)
- Overlapping Review History: reviewed 1 of 9 top products
- Overrepresented Participation (posted 7 Reviews)
- Critical Reviewer (avg. rating: 4.1)
Analysis Details
(4.6/5)
(4.6/5)
(4.6/5)
(4.5/5)
(4.9/5)
(4.9/5)
(4.6/5)
(4.6/5)
(4.7/5)
232 of the 5,350 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 4.5. 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.
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- 17%
- Created over 53 days
We counted 5,350 reviews for this product over the span of 1,599 days, an average of 3.3 reviews per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 11 or fewer reviews on any given day.
However, we see the following 53 days exceeding this threshold:In total, we found that 893 reviews were created on just 53 days. This is an excessively high number of reviews submitted on these high volume days.
Take-Back Reviewers
1,846 of the 5,350 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, the discrepancy in ratings between the Take-Back Reviewers and reviewers who don't have any deleted reviews in their history isn't significant enough to rule out the possibility of it being due to random chance.
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- 36%
- 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 1905 reviewers (or 36%) 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.
886 of the 5,350 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.
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- 0%
- Have an overrepresented word count
Read more about our Word Count Comparison test.
4% also reviewed:
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4% also reviewed:
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3% also reviewed:
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3% also reviewed:
The Nightingale: A Novel by Kristin Hannah
3% also reviewed:
A Gentleman in Moscow: A Novel by Amor Towles
3% also reviewed:
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3% also reviewed:
The Goldfinch by Donna Tartt
3% also reviewed:
Dead Wake: The Last Crossing of the Lusitania by Erik Larson
1,029 of the 5,350 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.
4.4 Product's Average Ease Score
4.3 Category's Average Ease Score
Read more about our Reviewer Ease test.
Brand Repeaters
256 of the 5,350 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.
9 of the 5,350 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.
- 0
- Reviews have been deleted
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.