The Antidote: Happiness For People Who Can't Stand Positive Thinking
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From Oliver Burkeman
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Most Trusted Reviews
TRUST
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Verified Purchaser
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Easy Grader (avg. rating: 4.8)
Least Trusted Reviews
TRUST
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Verified Purchaser
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Overrepresented Participation (posted 5 Reviews)
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Easy Grader (avg. rating: 4.3)
Analysis Details
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One-Hit Wonders
14 of the 19 reviewers have only reviewed this product. This is an excessively large percentage of One-Hit Wonders which may indicate unnatural reviews.
Take-Back Reviewers
2 of the 19 reviewers have had at least one of their past reviews for another product deleted. This is an excessively large percentage of Take-Back Reviewers which may indicate unnatural reviews.
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- 11%
- Created over 1 day
We counted 19 reviews for this product over the span of 1,178 days, an average of 0.0 reviews per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 1 or fewer reviews on any given day.
However, we see the following 1 day exceeding this threshold:In total, we found that 2 reviews were created on just 1 day. 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.
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2 of the 19 total reviews for this product use substantial repetitive phrases between them. This is an excessively large percentage which may indicate unnatural reviews.
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- 74%
- 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 14 reviewers (or 74%) are within an overrepresented participation group. This is an excessively high number of reviewers in overrepresented participation groups.
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7 of the 19 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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11% also reviewed:
Quiet: The Power of Introverts in a World That... by Susan Cain
11% also reviewed:
Switch: How to Change Things When Change Is Hard by Chip Heath
11% also reviewed:
The Invisible Gorilla: And Other Ways Our... by Christopher Chabris
11% also reviewed:
An Astronaut's Guide to Life on Earth by Chris Hadfield
11% also reviewed:
The Happiness Hypothesis: Finding Modern Truth in... by N/A
11% also reviewed:
Made to Stick: Why Some Ideas Survive and Others... by Chip Heath
11% also reviewed:
The Free World by David Bezmozgis
11% also reviewed:
The Smartest Kids in the World: And How They Got... by Amanda Ripley
from the same brand
4 of the 19 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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4.0 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
2 of the 19 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.
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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.