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From Lester Berman
This report was last updated 5/19/2018.
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Report Info:
Last Updated: May 19, 2018
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Note: We only analyze "reviews" and ignore one-tap "ratings".
Top products in Movies with authentic reviews:
Report Card
Fail Overall Grade
FAIL Suspicious Reviewers
WARN Rating Trend
WARN Unverified Purchases
WARN Word Count Comparison
WARN Reviewer Participation
PASS Phrase Repetition
PASS Overlapping Review History
PASS Reviewer Ease
PASS Brand Repeats
PASS Incentivized Reviews
PASS Deleted Reviews
Most Trusted Reviews
hello, this movie was relatively old and the plot for ... [Go to full review]
Oct 15, 2017
100%
TRUST
TRUST
- Verified Purchaser
- Take-Back Reviewer (27 deleted Reviews; avg. rating: 4.9)
- Overlapping Review History: reviewed 2 of 9 top products
- Easy Grader (avg. rating: 4.8)
Least Trusted Reviews
Awesome concept. Fun, exciting thriller that is very entertaining. [Go to full review]
Oct 1, 2014
0%
TRUST
TRUST
- Unverified Purchaser
- Created on a high volume day
- Overrepresented word count (9 words)
- Single-Day Reviewer (posted all reviews on Oct 1, 2014)
- Overrepresented Participation (posted 7 Reviews)
- Easy Grader (avg. rating: 4.7)
Analysis Details
Fail Suspicious Reviewers
Take-Back Reviewers
80 of the 799 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.
Single-Day Reviewers
8 of the 799 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 4.4 while all other reviewers rated this product an average of 3.5. 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 Rating Trend
-
- 71%
- Created over 142 days
We counted 799 reviews for this product over the span of 4,999 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 142 days exceeding this threshold:In total, we found that 571 reviews were created on just 142 days. This is an excessively high number of reviews submitted on these high volume days.
Warn Unverified Purchases
717 of the 799 total reviews for this product are unverified purchases. This is an excessively large percentage of unverified purchases and it may indicate unnatural reviews.
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.
Warn Word Count Comparison
-
- 61%
- 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 4 groups with a statistically significant greater concentration than what we'd expect to see:In total, we found that 487 reviews (or 61%) are within an overrepresented word count group. This is an excessively high number of reviews in overrepresented word count groups.
Warn Reviewer Participation
-
- 62%
- From reviewers with an overrepresented participation
We see the following 6 participation groups with a statistically significant greater concentration than what we'd expect to see:
- Reviewers with 1-5 Reviews: 19.3% (Avg. rating: 3.6)
- Reviewers with 1-5 Reviews: 18.8% (Avg. rating: 3.6)
- Reviewers with 6-15 Reviews: 24.8% (Avg. rating: 3.4)
- Reviewers with 6-15 Reviews: 24.4% (Avg. rating: 3.4)
- Reviewers with 16-30 Reviews: 19.2% (Avg. rating: 3.5)
- Reviewers with 16-30 Reviews: 19.3% (Avg. rating: 3.5)
Pass Phrase Repetition
Reviews that contain one of these phrases are NOT necessarily devalued; read more about how this test works here.
1 of the 799 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
Reviewers of this product have ALSO reviewed the following products:
8% also reviewed:
Chapter Seven: Lost Boys by Joe Gonzalez
7% also reviewed:
Bosch: Behind the Scenes by Amazon Studios
4% also reviewed:
World War Z (Unrated) by Brad Pitt
4% also reviewed:
The Captive by Atom Egoyan
4% also reviewed:
Flight (Two-Disc Combo: Blu-ray / DVD / Digital... by PARAMOUNT - UNI DIST CORP
4% also reviewed:
The Frozen Ground by Curtis "50 Cent" Jackson
4% also reviewed:
The Hunger Games: Catching Fire by Simon Beaufoy
4% also reviewed:
Bosch Season 2 - Official Trailer by Titus Welliver
4% also reviewed:
Goliath - Season 1 by Billy Bob Thornton
198 of the 799 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
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, while the average ease score for reviewers in this category is 4.3.
4.0 Product's Average Ease Score
4.3 Category's Average Ease Score
Read more about our Reviewer Ease test.
Pass Brand Repeats
Brand Repeaters
18 of the 799 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.
Pass Deleted Reviews
- 0
- Reviews have been deleted
We have not discovered any deleted reviews for this product.
There are a few limitations to keep in mind regarding the Deleted Reviews test:
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.