Uh oh... There's over 10,000 reviews for this product and...
...Amazon won't actually show us (or you) all 10,000 reviews. So this report might be a bit wonkey. We just discovered this new limitation (April 22nd, 2019) and we're working around the clock to figure out a work-around.
Amazon Prime Video
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Note: While Amazon.com claims 92,102 reviews, we counted 90,202 available on their site.
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FAIL 
Unverified Purchases
Unverified PurchasesFAIL Suspicious Reviewers
Suspicious ReviewersFAIL Overlapping Review History
Overlapping Review HistoryWARN Deleted Reviews
Deleted ReviewsWARN Rating Trend
Rating TrendWARN Word Count Comparison
Word Count ComparisonWARN Reviewer Participation
Reviewer ParticipationPASS Phrase Repetition
Phrase RepetitionPASS Reviewer Ease
Reviewer EasePASS Brand Repeats
Brand RepeatsPASS Incentivized Reviews
Incentivized Reviews
Most Trusted Reviews
It's about time !!!!! I like to have the ability ... [Go to full review]
Oct 2, 2014
50%
TRUST
TRUST
-
Verified Purchaser
-
Take-Back Reviewer (2 deleted reviews; avg. rating: 3.5) -
Critical Reviewer (avg. rating: 3.7)
Least Trusted Reviews
It's great. The only down side I see, is that ... [Go to full review]
Mar 15, 2016
0%
TRUST
TRUST
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Unverified Purchaser -
Created on a high volume day
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One-Hit Wonder -
Never-Verified Reviewer -
Take-Back Reviewer (1 deleted review; avg. rating: 5.0)
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Overrepresented Participation (posted 1 review) -
Critical Reviewer (avg. rating: 4.0)
Analysis Details
Fail Unverified Purchases
Unverified Purchases
2,958 of the 90,202 total reviews for this product are unverified purchases. The unverified purchasers have rated this product an average of 2.8 while the verified purchasers have rated this product an average of 3.8. 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.
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.
Fail Suspicious Reviewers
Suspicious Reviewers
One-Hit Wonders
17,289 of the 90,202 reviewers have only reviewed this product. While this is more One-Hit Wonders than we'd expect to see, it does not appear to have a significant impact on the overall rating.
Never-Verified Reviewers
1,114 of the 90,202 reviewers have never written a verified purchase review. The Never-Verified Reviewers have rated this product an average of 3.0 while the reviewers who have written at least one verified purchase review rated this product an average of 3.8. 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
9,608 of the 90,202 reviewers have had at least one of their past reviews for another product deleted. The Take-Back Reviewers have rated this product an average of 3.9 while the reviewers who don't have any deleted reviews in their history have rated this product an average of 3.7. 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.
Single-Day Reviewers
1,816 of the 90,202 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 3.9 while all other reviewers rated this product an average of 3.8. 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
Overlapping Review History
Reviewers of this product have ALSO reviewed the following products:
2% also reviewed:
The Man In The High Castle - Season 1 [Ultra HD] by Alexa Davalos
1% also reviewed:
Amazon.com Store Card by Synchrony Bank
1% also reviewed:
The Grand Tour Season 1 by Jeremy Clarkson
1% also reviewed:
All-New Echo Dot (2nd Generation) by Amazon
1% also reviewed:
Chapter Seven: Lost Boys by Alex Zakrzewski
1% also reviewed:
Goliath - Season 1 by Billy Bob Thornton
Does not include products
from the same brand
from the same brand
8,663 of the 90,202 reviewers have substantial overlapping product review history. These reviewers have rated this product an average of 4.0 while the reviewers who have a more unique product review history rated this product an average of 3.7. 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
Deleted Reviews
We discovered a total of 3,810 deleted reviews for this product, with an average rating of 3.8. 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.
3.8 average rating of deleted reviews
Warn Rating Trend
Rating Trend
-
- 46%
- Created over 337 days
We counted 90,202 reviews for this product over the span of 1,599 days, an average of 56.4 reviews per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 83 or fewer reviews on any given day.
However, we see the following 337 days exceeding this threshold:In total, we found that 41,113 reviews were created on just 337 days. This is an excessively high number of reviews submitted on these high volume days.
Warn Word Count Comparison
Word Count Comparison
-
- 30%
- 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 27,460 reviews (or 30%) are within an overrepresented word count group. While this is more reviews from overrepresented word count groups than we'd expect to see, the discrepancy in ratings between reviews with overrepresented word groups and all other reviews isn’t significant enough to rule out the possibility of it being due to random chance.
Warn Reviewer Participation
Reviewer Participation
-
- 47%
- 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 42274 reviewers (or 47%) are within an overrepresented participation group. While this is more reviews from overrepresented participation groups than we'd expect to see, these reviews do not appear to have a significant impact on the overall rating.
Pass Phrase Repetition
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:
1170 reviews
(3.1/5)
(3.1/5)
460 of the 90,202 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 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 4.1, while the average ease score for reviewers in this category is 4.3.
4.1 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
3,581 of the 90,202 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.
7 of the 90,202 total reviews for this product admitted to receiving a free or discounted product in exchange for a review. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.
Read more about our Incentivized Reviews test, or check out our study showing that Incentivized Reviewers are much more likely to leave a positive review.