Close
The Big Short: Inside the Doomsday Machine (Movie Tie-in Edition) (Movie Tie-in Editions Book 0)
More product info
From Michael Lewis
This report was last updated 10/27/2019.
Refresh the report to view the most up-to-date data available:
Refresh the report to view the most up-to-date data available:
View/Edit Adjustment
Jump to Report Card
Report Info:
Note: While Amazon.com claims 324 Ratings, we counted 325 Reviews available on their site.
Note: We only analyze "reviews" and ignore one-tap "ratings".
Note: We only analyze "reviews" and ignore one-tap "ratings".
Top products in Economic Conditions with authentic reviews:
Report Card
Warn Overall Grade
FAIL Phrase Repetition
FAIL Overlapping Review History
WARN Deleted Reviews
WARN Rating Trend
WARN Word Count Comparison
WARN Reviewer Participation
PASS Unverified Purchases
PASS Suspicious Reviewers
PASS Reviewer Ease
PASS Brand Repeats
PASS Incentivized Reviews
Most Trusted Reviews
Wow, just wow. I watched the movie and loved it. ... [Go to full review]
Sep 7, 2017
100%
TRUST
TRUST
- Unverified Purchaser
- Critical Reviewer (avg. rating: 4.1)
Least Trusted Reviews
Read it. Move all your IRA funds to Vanguard. WE ... [Go to full review]
Apr 20, 2016
0%
TRUST
TRUST
- Verified Purchaser
- Created on a high volume day
- Overrepresented word count (15 words)
- Contains repetitive phrases (show)
- Take-Back Reviewer (1 deleted Review; avg. rating: 5.0)
- Overlapping Review History: reviewed 1 of 9 top products
- Overrepresented Participation (posted 13 Reviews)
- Easy Grader (avg. rating: 4.4)
Analysis Details
Fail 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
13 reviews
(4.8/5)
(4.8/5)
6 reviews
(5.0/5)
(5.0/5)
4 reviews
(5.0/5)
(5.0/5)
8 reviews
(4.9/5)
(4.9/5)
4 reviews
(5.0/5)
(5.0/5)
5 reviews
(5.0/5)
(5.0/5)
3 reviews
(5.0/5)
(5.0/5)
28 of the 325 total reviews for this product use substantial repetitive phrases between them. These reviewers have rated this product an average of 4.9 while reviews without substantial repetitive phrases rated this product an average of 4.6. 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.
Fail Overlapping Review History
Reviewers of this product have ALSO reviewed the following products:
4% also reviewed:
Liar's Poker (Norton Paperback) by Michael Lewis
3% also reviewed:
The Martian: Classroom Edition: A Novel by Andy Weir
3% also reviewed:
Chapter Seven: Lost Boys by Joe Gonzalez
2% also reviewed:
Hillbilly Elegy: A Memoir of a Family and Culture... by J. D. Vance
2% also reviewed:
Flash Boys: A Wall Street Revolt by Michael Lewis
2% also reviewed:
The Man In The High Castle - Season 1 (4K UHD) by Alexa Davalos
2% also reviewed:
The Girl in the Spider's Web: A Lisbeth... by David Lagercrantz
2% also reviewed:
OLUKAI Men's NUI Sandal by OLUKAI
Does not include products
from the same brand
from the same brand
61 of the 325 reviewers have substantial overlapping product review history. These reviewers have rated this product an average of 4.9 while the reviewers who have a more unique product review history rated this product an average of 4.6. 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.
Warn Deleted Reviews
We discovered a total of 3 deleted Reviews for this product, with an average rating of 4.7. Even though deleted reviews don't affect the average rating, the fact that action was taken to delete reviews raises some red flags about the integrity of the reviews for the product as whole.
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.
Warn Rating Trend
-
- 42%
- Created over 19 days
We counted 325 reviews for this product over the span of 1,173 days, an average of 0.3 reviews per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 3 or fewer reviews on any given day.
However, we see the following 19 days exceeding this threshold:In total, we found that 135 reviews were created on just 19 days. This is an excessively high number of reviews submitted on these high volume days.
Warn Word Count Comparison
-
- 60%
- 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 3 groups with a statistically significant greater concentration than what we'd expect to see:In total, we found that 196 reviews (or 60%) are within an overrepresented word count group. This is an excessively high number of reviews in overrepresented word count groups.
Warn Reviewer Participation
-
- 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 213 reviewers (or 66%) are within an overrepresented participation group. This is an excessively high number of reviewers in overrepresented participation groups.
Pass Unverified Purchases
29 of the 325 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.
Pass Suspicious Reviewers
One-Hit Wonders
22 of the 325 reviewers have only reviewed this product. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.
Never-Verified Reviewers
7 of the 325 reviewers have never written a verified purchase review. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.
Take-Back Reviewers
77 of the 325 reviewers have had at least one of their past reviews for another product deleted. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.
Single-Day Reviewers
3 of the 325 reviewers have written multiple reviews but posted all of them on a single day. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.
Pass 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 4.4, while the average ease score for reviewers in this category is 4.3. While this discrepancy is rather large, it is not quite large enough to rule out the possibility of it being due random chance.
4.4 Product's Average Ease Score
4.3 Category's Average Ease Score
Read more about our Reviewer Ease test.
Pass Brand Repeats
Brand Repeaters
8 of the 325 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.
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.