47 Ronin [DVD] [2013] [2014]
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From Clark, Guy
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Most Trusted Reviews
TRUST
- Verified Purchaser
- Easy Grader (avg. rating: 4.6)
Least Trusted Reviews
TRUST
- Unverified Purchaser
- Overrepresented word count (1 word)
- Never-Verified Reviewer
- Single-Day Reviewer (posted all reviews on Mar 29, 2017)
- Overrepresented Participation (posted 6 Reviews)
- Easy Grader (avg. rating: 4.3)
Analysis Details
Never-Verified Reviewers
42 of the 604 reviewers have never written a verified purchase review. The Never-Verified Reviewers have rated this product an average of 3.5 while the reviewers who have written at least one verified purchase review rated this product an average of 4.2. 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.
Take-Back Reviewers
9 of the 604 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.
Single-Day Reviewers
38 of the 604 reviewers have written multiple reviews but posted all of them on a single day. The Single-Day reviewers have rated this product an average of 4.5 while all other reviewers rated this product an average of 4.1. 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.
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- 37%
- 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 223 reviews (or 37%) are within an overrepresented word count group. These reviews have rated this product an average of 4.6, while all other reviews have rated this product an average of 3.9. 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.
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- 73%
- 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 443 reviewers (or 73%) are within an overrepresented participation group. These reviews have rated this product an average of 4.2, while all other reviews have rated this product an average of 4.0. 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.
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- 3%
- Created over 3 days
We counted 604 reviews for this product over the span of 1,204 days, an average of 0.5 reviews per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 4 or fewer reviews on any given day.
However, we see the following 3 days exceeding this threshold:In total, we found that 17 reviews were created on just 3 days. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.
113 of the 604 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%
- Used substantial repetitive phrases
Read more about our Phrase Repetition test.
14% also reviewed:
The Amazing Spider-Man 2 - Limited Edition with... by Sony Pictures Home Entertainment
11% also reviewed:
The Hobbit: The Desolation Of Smaug - Extended... by Whv
11% also reviewed:
Guardians Of The Galaxy [DVD] [2014] by Walt Disney Studios Home Entertainment
11% also reviewed:
Captain America: The Winter Soldier [Blu-ray 3D +... by Walt Disney Home Entertainment
10% also reviewed:
Thor: The Dark World [Blu-ray] (Bilingual) by Walt Disney Studios Home Entertainment
9% also reviewed:
X-Men: Days of Future Past [Blu-ray + UV Copy] by 20th Century Fox Home Entertainment
9% also reviewed:
Elysium [DVD] [2013] by Sony Pictures Home Entertainment
9% also reviewed:
300: Rise Of An Empire [Blu-ray 3D + Blu-ray + UV... by Warner Home Video
9% also reviewed:
Maleficent [Blu-ray] [Region Free] by Walt Disney Home Entertainment
207 of the 604 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.
4.3 Product's Average Ease Score
4.3 Category's Average Ease Score
Read more about our Reviewer Ease test.
Brand Repeaters
19 of the 604 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.
- 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.