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Roku 3500R Streaming Stick (HDMI)
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Report Info:
Note: We only analyze "reviews" and ignore one-tap "ratings".
Report Card
Pass Overall Grade
FAIL
Unverified Purchases

FAIL
Suspicious Reviewers

FAIL
Word Count Comparison

FAIL
Phrase Repetition

FAIL
Overlapping Review History

WARN
Deleted Reviews

WARN
Rating Trend

WARN
Reviewer Participation

PASS
Reviewer Ease

PASS
Brand Repeats

PASS
Incentivized Reviews

Most Trusted Reviews
Works as well as my Roku box. Easy to set ... [Go to full review]
Jan 25, 2018
100%
TRUST
TRUST
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Verified Purchaser
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Easy Grader (avg. rating: 4.6)
Least Trusted Reviews
The Roku Streaming Stick is the best, the best I ... [Go to full review]
Nov 24, 2014
0%
TRUST
TRUST
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Unverified Purchaser
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Created on a high volume day
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Overrepresented word count (12 words)
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Contains repetitive phrases (
show)
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Easy Grader (avg. rating: 5.0)
Analysis Details
Fail
Unverified Purchases

697 of the 8,724 total reviews for this product are unverified purchases. The unverified purchasers have rated this product an average of 2.9 while the verified purchasers 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.
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

Never-Verified Reviewers
126 of the 8,724 reviewers have never written a verified purchase review. The Never-Verified Reviewers have rated this product an average of 2.7 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
1,442 of the 8,724 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 4.1 while the reviewers who don't have any deleted reviews in their history 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.
Fail
Word Count Comparison

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- 19%
- 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 1,683 reviews (or 19%) are within an overrepresented word count group. These reviews have rated this product an average of 4.1, while all other reviews 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.
Fail
Phrase Repetition

Reviews that contain one of these phrases are NOT necessarily devalued; read more about how this test works here.
199 of the 8,724 total reviews for this product use substantial repetitive phrases between them. These reviewers have rated this product an average of 4.3 while reviews without substantial repetitive phrases 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

Reviewers of this product have ALSO reviewed the following products:
3% also reviewed:
TVPower Mini USB Cable for Powering Roku... by Mission Cables
2% also reviewed:
Chapter Seven: Lost Boys by Alex Zakrzewski
1% also reviewed:
The Man In The High Castle - Season 1 (4K UHD) by Alexa Davalos
1% also reviewed:
Amazon Prime Video by Amazon.com
1% also reviewed:
AmazonBasics Lightning to USB A Cable, Apple MFi... by AmazonBasics
1,170 of the 8,724 reviewers have substantial overlapping product review history. These reviewers have rated this product an average of 4.1 while the reviewers who have a more unique product review history 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.
Warn
Deleted Reviews

We discovered a total of 244 deleted Reviews for this product, with an average rating of 4.2. 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.
Warn
Rating Trend

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- 22%
- Created over 103 days
We counted 8,724 reviews for this product over the span of 1,706 days, an average of 5.1 reviews per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 14 or fewer reviews on any given day.
However, we see the following 103 days exceeding this threshold:In total, we found that 1,897 reviews were created on just 103 days. This is an excessively high number of reviews submitted on these high volume days.
Warn
Reviewer Participation

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- 31%
- 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 2705 reviewers (or 31%) 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
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 4.1.
4.0 Product's Average Ease Score
4.1 Category's Average Ease Score
Read more about our Reviewer Ease test.
Pass
Brand Repeats

Brand Repeaters
705 of the 8,724 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.
2 of the 8,724 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. Check out our study showing that Incentivized Reviewers are much more likely to leave a positive review.