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2001: A Space Odyssey
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From Warner Manufacturing
This report was last updated 6/8/2019.
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Report Info:
Note: While Amazon.com claims 2,798 Ratings, we counted 2,892 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 TV with authentic reviews:
Report Card
Pass Overall Grade
FAIL Deleted Reviews
FAIL Suspicious Reviewers
FAIL Phrase Repetition
FAIL Overlapping Review History
WARN Rating Trend
WARN Brand Repeats
PASS Unverified Purchases
PASS Word Count Comparison
PASS Reviewer Participation
PASS Reviewer Ease
PASS Incentivized Reviews
Most Trusted Reviews
Good movie. [Go to full review]
Nov 2, 2018
100%
TRUST
TRUST
- Verified Purchaser
- Overrepresented Participation (posted 9 Reviews)
- Easy Grader (avg. rating: 5.0)
Least Trusted Reviews
This was a great science fiction film and I was ... [Go to full review]
Sep 11, 2010 1 of 1 found this helpful.
30%
TRUST
TRUST
- Unverified Purchaser
- Contains repetitive phrases (show)
- Take-Back Reviewer (818 deleted Reviews; avg. rating: 4.4)
- Brand Repeater (2 of 3251 reviews for this brand; avg rating: 5.0)
- Overlapping Review History: reviewed 1 of 9 top products
- Easy Grader (avg. rating: 4.5)
Analysis Details
Fail Deleted Reviews
We discovered a total of 194 deleted Reviews for this product, with an average rating of 4.1. 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.
Fail Suspicious Reviewers
Take-Back Reviewers
971 of the 2,892 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.
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
73 reviews
(4.6/5)
(4.6/5)
61 reviews
(4.6/5)
(4.6/5)
131 reviews
(4.1/5)
(4.1/5)
36 reviews
(4.1/5)
(4.1/5)
39 reviews
(4.5/5)
(4.5/5)
34 reviews
(4.5/5)
(4.5/5)
Common Phrases in Titles:
52 reviews
(4.9/5)
(4.9/5)
80 of the 2,892 total reviews for this product use substantial repetitive phrases between them. These reviewers have rated this product an average of 4.7 while reviews without substantial repetitive phrases 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.
Fail Overlapping Review History
Reviewers of this product have ALSO reviewed the following products:
6% also reviewed:
2010: The Year We Make Contact by Peter Hyams
5% also reviewed:
Blade Runner: The Final Cut (4K Ultra HD)... by Ridley Scott
4% also reviewed:
The Terminator [Blu-ray] by Arnold Schwarzenegger
4% also reviewed:
A Clockwork Orange (Two-Disc Special Edition) by Stanley
4% also reviewed:
ELYAN Capacitive Stylus Pen,Disc Tip & Fiber... by ELYAN
4% also reviewed:
The Hobbit: The Battle of the Five Armies... by Weta
3% also reviewed:
Dr. Strangelove or How I Learned to Stop Worrying... by Warner Brothers
Does not include products
from the same brand
from the same brand
506 of the 2,892 reviewers have substantial overlapping product review history. These reviewers have rated this product an average of 4.5 while the reviewers who have a more unique product review history 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.
Warn Rating Trend
-
- 14%
- Created over 45 days
We counted 2,892 reviews for this product over the span of 7,562 days, an average of 0.4 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 45 days exceeding this threshold:In total, we found that 405 reviews were created on just 45 days. Although any days with a larger number of reviews than expected is suspicious, these reviews do not appear to have a significant impact on the overall rating.
Warn Brand Repeats
Brand Repeaters
889 of the 2,892 reviewers have reviewed other products for this brand. While this is more Brand Repeaters than we'd expect to see, the discrepancy in ratings between the Brand Repeaters and non-repeaters isn't significant enough to rule out the possibility of it being due to random chance.
Pass Unverified Purchases
932 of the 2,892 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
-
- 0%
- Have an overrepresented word count
We didn't find any review word count groups that had a statistically significant greater concentration than what we'd expect to see in this category.
Read more about our Word Count Comparison test.
Read more about our Word Count Comparison test.
Pass Reviewer Participation
-
- 29%
- 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 826 reviewers (or 29%) are within an overrepresented participation group. 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 4.2, while the average ease score for reviewers in this category is 4.3.
4.2 Product's Average Ease Score
4.3 Category's Average Ease Score
Read more about our Reviewer Ease test.
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.