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The Guns of August: The Outbreak of World War I; Barbara W. Tuchman's Great War Series (Modern...
More product info
From Barbara W. Tuchman
This report was last updated 11/12/2020.
Refresh the report to view the most up-to-date data available:
Refresh the report to view the most up-to-date data available:
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Report Info:
Note: While Amazon.com claims 2,301 Ratings, we counted 1,514 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".
Report Card
Pass Overall Grade
WARN 
Deleted Reviews
Deleted ReviewsWARN Rating Trend
Rating TrendWARN Suspicious Reviewers
Suspicious ReviewersWARN Reviewer Participation
Reviewer ParticipationPASS Unverified Purchases
Unverified PurchasesPASS Word Count Comparison
Word Count ComparisonPASS Phrase Repetition
Phrase RepetitionPASS Overlapping Review History
Overlapping Review HistoryPASS Reviewer Ease
Reviewer EasePASS Brand Repeats
Brand RepeatsPASS Incentivized Reviews
Incentivized Reviews
Most Trusted Reviews
A big hit with my Grandson who loves any kind ... [Go to full review]
Feb 23, 2018
100%
TRUST
TRUST
-
Verified Purchaser -
Overrepresented word count (29 words)
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Take-Back Reviewer (10 deleted Reviews; avg. rating: 4.9) -
Easy Grader (avg. rating: 4.7)
Critical Reviewer (avg. rating: 4.0)
Least Trusted Reviews
The best WW1 book I have ever read. [Go to full review]
Jun 15, 2017
43%
TRUST
TRUST
-
Verified Purchaser
-
Created on a high volume day
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Take-Back Reviewer (1 deleted Review; avg. rating: 5.0)
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Overrepresented Participation (posted 20 Reviews) -
Easy Grader (avg. rating: 4.7)
Analysis Details
Warn Deleted Reviews
Deleted Reviews
We discovered a total of 50 deleted Reviews for this product, with an average rating of 4.6. 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.
4.6 average rating of deleted reviews
Warn Rating Trend
Rating Trend
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- 10%
- Created over 32 days
We counted 1,514 reviews for this product over the span of 8,311 days, an average of 0.2 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 32 days exceeding this threshold:In total, we found that 154 reviews were created on just 32 days. 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.
Warn Suspicious Reviewers
Suspicious Reviewers
Take-Back Reviewers
527 of the 1,514 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.
Warn Reviewer Participation
Reviewer Participation
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- 71%
- From reviewers with an overrepresented participation
We see the following 3 participation groups with a statistically significant greater concentration than what we'd expect to see:In total, we found that 1078 reviewers (or 71%) are within an overrepresented participation group. This is an excessively high number of reviewers in overrepresented participation groups.
Pass Unverified Purchases
Unverified Purchases
310 of the 1,514 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 Word Count Comparison
Word Count Comparison
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- 17%
- 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 1 group with a statistically significant greater concentration than what we'd expect to see:In total, we found that 261 reviews (or 17%) are within an overrepresented word count group. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.
Pass Phrase Repetition
Phrase Repetition
Reviews that contain one of these phrases are NOT necessarily devalued; read more about how this test works here.
76 of the 1,514 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.
Pass Overlapping Review History
Overlapping Review History
Reviewers of this product have ALSO reviewed the following products:
4% also reviewed:
A Princess of Mars (Illustrated) by Edgar Rice Burroughs
3% also reviewed:
Dead Wake: The Last Crossing of the Lusitania by Erik Larson
3% also reviewed:
All the Light We Cannot See: A Novel by Anthony Doerr
3% also reviewed:
Unbroken: A World War II Story of Survival,... by Laura Hillenbrand
3% also reviewed:
A World Undone: The Story of the Great War, 1914... by G. J. Meyer
2% also reviewed:
The Hunger Games Trilogy by Suzanne Collins
2% also reviewed:
Team of Rivals: The Political Genius of Abraham... by Doris Kearns Goodwin
2% also reviewed:
The Wright Brothers by David McCullough
2% also reviewed:
The Wealth Of Nations by Adam Smith
196 of the 1,514 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.
Pass Reviewer Ease
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 4.3, while the average ease score for reviewers in this category is 4.3.
4.3 Product's Average Ease Score
4.3 Category's Average Ease Score
Read more about our Reviewer Ease test.
Pass Brand Repeats
Brand Repeats
Brand Repeaters
93 of the 1,514 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
Incentivized Reviews
On Oct 3, 2016, Amazon prohibited incentivized reviews, however we still test for them since there are still millions in our dataset.
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- 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.