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SiriusXM
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From SiriusXM Radio Inc.
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Report Info:
Last Updated: Jun 17, 2017
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Note: We only analyze "reviews" and ignore one-tap "ratings".
Top products in On-Demand Music Streaming with authentic reviews:
Report Card
Warn Overall Grade
FAIL
Unverified Purchases

FAIL
Suspicious Reviewers

WARN
Deleted Reviews

WARN
Rating Trend

WARN
Reviewer Participation

PASS
Word Count Comparison

PASS
Phrase Repetition

PASS
Overlapping Review History

PASS
Reviewer Ease

PASS
Brand Repeats

PASS
Incentivized Reviews

Most Trusted Reviews
thank you for a excellent product [Go to full review]
Oct 9, 2016
100%
TRUST
TRUST
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Verified Purchaser
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Take-Back Reviewer (105 deleted Reviews; avg. rating: 5.0)
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Overlapping Review History: reviewed 1 of 9 top products
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Easy Grader (avg. rating: 5.0)
Least Trusted Reviews
The "new" Sirius/XM app for iPad is a great idea...if ... [Go to full review]
Jul 30, 2013
0%
TRUST
TRUST
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Unverified Purchaser
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Created on a high volume day
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Overrepresented Participation (posted 6 Reviews)
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Critical Reviewer (avg. rating: 4.2)
Analysis Details
Fail
Unverified Purchases

120 of the 2,492 total reviews for this product are unverified purchases. The unverified purchasers have rated this product an average of 2.4 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
38 of the 2,492 reviewers have never written a verified purchase review. The Never-Verified Reviewers have rated this product an average of 2.4 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
157 of the 2,492 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, it does not appear to have a significant impact on the overall rating.
Warn
Deleted Reviews

We discovered a total of 1 deleted Review for this product, with an average rating of 5. 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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- 16%
- Created over 35 days
We counted 2,492 reviews for this product over the span of 1,447 days, an average of 1.7 reviews per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 7 or fewer reviews on any given day.
However, we see the following 35 days exceeding this threshold:In total, we found that 396 reviews were created on just 35 days. This is an excessively high number of reviews submitted on these high volume days.
Warn
Reviewer Participation

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- 86%
- From reviewers with an overrepresented participation
We see the following 2 participation groups with a statistically significant greater concentration than what we'd expect to see:In total, we found that 2139 reviewers (or 86%) are within an overrepresented participation group. This is an excessively high number of reviewers in overrepresented participation groups.
Pass
Word Count Comparison

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- 23%
- 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 566 reviews (or 23%) are within an overrepresented word count group. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.
Pass
Phrase Repetition

Reviews that contain one of these phrases are NOT necessarily devalued; read more about how this test works here.
16 of the 2,492 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:
4% also reviewed:
iHeartRadio - Free Music & Internet Radio by iHeartMedia
4% also reviewed:
Netflix by Netflix, Inc
4% also reviewed:
Pandora by Pandora Media
4% also reviewed:
Candy Crush Saga by King
2% also reviewed:
WeatherBug - Free Local Weather Forecast, Radar... by xAD, Inc.
2% also reviewed:
The Weather Channel: Forecast, Radar & Alerts by The Weather Channel
Does not include products
from the same brand
from the same brand
485 of the 2,492 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 4.2, 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
Brand Repeats

Brand Repeaters
We didn't detect a substantial amount of Brand Repeaters.
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.
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- 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.