The Brain's Way of Healing: Remarkable Discoveries and Recoveries from the Frontiers of...
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From Norman Doidge
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
- Overlapping Review History: reviewed 2 of 9 top products
- Critical Reviewer (avg. rating: 3.1)
Least Trusted Reviews
TRUST
- Verified Purchaser
- Created on a high volume day
- Overlapping Review History: reviewed 1 of 9 top products
- Overrepresented Participation (posted 4 Reviews)
- Easy Grader (avg. rating: 4.8)
Analysis Details
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- 11%
- Created over 7 days
We counted 204 reviews for this product over the span of 2,200 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 7 days exceeding this threshold:In total, we found that 22 reviews were created on just 7 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.
Take-Back Reviewers
55 of the 204 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.
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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- 66%
- 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 134 reviewers (or 66%) are within an overrepresented participation group. This is an excessively high number of reviewers in overrepresented participation groups.
10 of the 204 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.
(4.8/5)
(5.0/5)
(5.0/5)
(5.0/5)
(5.0/5)
(5.0/5)
(4.3/5)
(5.0/5)
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(5.0/5)
(5.0/5)
(5.0/5)
28 of the 204 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.
6% also reviewed:
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2% also reviewed:
The Invention of Wings by Sue Monk Kidd
2% also reviewed:
Grain Brain: The Surprising Truth about Wheat,... by David Perlmutter
2% also reviewed:
Being Mortal: Medicine and What Matters in the End by Atul Gawande
2% also reviewed:
All the Light We Cannot See: A Novel by Anthony Doerr
2% also reviewed:
Kindle Keyboard, Wi-Fi, 6" E Ink Display -... by Amazon
2% also reviewed:
Sapiens: THE MULTI-MILLION COPY BESTSELLER by Yuval Noah Harari
1% also reviewed:
Omega Nutrition Center Juicer, 200-Watt, Metallic by Omega
37 of the 204 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.
Brand Repeaters
13 of the 204 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.
1 of the 204 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.