A Finger in Lincoln's Brain: What Modern Science Reveals about Lincoln, His Assassination, and Its...
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From E. Lawrence Abel
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Report Card
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Most Trusted Reviews
TRUST
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Verified Purchaser
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Take-Back Reviewer (1 deleted Review; avg. rating: 5.0)
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Overlapping Review History: reviewed 2 of 9 top products
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Easy Grader (avg. rating: 4.3)
Least Trusted Reviews
We couldn't find any low-quality reviews
Analysis Details
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Take-Back Reviewers
1 of the 14 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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- 50%
- 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 7 reviewers (or 50%) are within an overrepresented participation group. This is an excessively high number of reviewers in overrepresented participation groups.
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- 0%
- Created on high-volume days
Read more about our Rating Trend test.
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6 of the 14 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.
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2 of the 14 total reviews for this product use substantial repetitive phrases between them. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.
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36% also reviewed:
Wickedly Prime Organic Hibiscus Tea, Full-Leaf... by Wickedly Prime
29% also reviewed:
CeraVe Renewing SA Cream 12 oz by CeraVe
21% also reviewed:
OXO Good Grips Utility Cutting Board by OXO
21% also reviewed:
Nordic Ware Compact Ovenware 5 piece Set by Nordic Ware
14% also reviewed:
Dangerous Curves Atop Hollywood Heels: The Lives,... by Michael G. Ankerich
14% also reviewed:
Virginia Mayo by Brand: Beachhouse Books
14% also reviewed:
LEGO Architecture The Leaning Tower of Pisa by LEGO
14% also reviewed:
The Romanov Sisters: The Lost Lives of the... by Helen Rappaport
14% also reviewed:
Rosemary: The Hidden Kennedy Daughter by Kate Clifford Larson
4 of the 14 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.
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4.4 Product's Average Ease Score
4.3 Category's Average Ease Score
Read more about our Reviewer Ease test.
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Brand Repeaters
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- 0%
- Admitted to receiving an incentive
Read more about our Incentivized Reviews test. Check out our study showing that Incentivized Reviewers are much more likely to leave a positive review.
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- 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.