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SkyBell SkyBell Wi-Fi Video Doorbell with Motion Sensor - Version 2.0
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From SkyBell
This report was last updated 7/16/2017.
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Report Info:
Last Updated: Jul 16, 2017
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Note: We only analyze "reviews" and ignore one-tap "ratings".
Report Card
Warn Overall Grade
FAIL Rating Trend
FAIL Unverified Purchases
FAIL Incentivized Reviews
FAIL Suspicious Reviewers
FAIL Phrase Repetition
FAIL Reviewer Participation
WARN Deleted Reviews
PASS Word Count Comparison
PASS Overlapping Review History
PASS Reviewer Ease
PASS Brand Repeats
Most Trusted Reviews
Stopped working. Constant red light. It worked, now it doesn't. ... [Go to full review]
Apr 5, 2017
100%
TRUST
TRUST
- Verified Purchaser
- Easy Grader (avg. rating: 4.4)
Least Trusted Reviews
Love it I can see who is at the door. ... [Go to full review]
Feb 18, 2015
0%
TRUST
TRUST
- Unverified Purchaser
- Created on a high volume day
- Contains repetitive phrases (show)
- One-Hit Wonder
- Never-Verified Reviewer
- Overrepresented Participation (posted 1 Review)
- Easy Grader (avg. rating: 5.0)
Analysis Details
Fail Rating Trend
-
- 4%
- Created over 5 days
We counted 1,421 reviews for this product over the span of 956 days, an average of 1.5 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 5 days exceeding this threshold:In total, we found that 52 reviews were created on just 5 days. The reviews on these high volume days have rated this product an average of 3.9 while reviews from other days have rated this product an average of 2.8. 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 Unverified Purchases
368 of the 1,421 total reviews for this product are unverified purchases. The unverified purchasers have rated this product an average of 3.2 while the verified purchasers have rated this product an average of 2.8. 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 Incentivized Reviews
On Oct 3, 2016, Amazon prohibited incentivized reviews, however we still test for them since there are still millions in our dataset.
6 of the 1,421 total reviews for this product admitted to receiving a free or discounted product in exchange for a review. Incentivized reviews have rated this product an average of 4.7 while reviews that were not incentivized rated this product an average of 2.9. 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.
Read more about our Incentivized Reviews test. Check out our study showing that Incentivized Reviewers are much more likely to leave a positive review.
Fail Suspicious Reviewers
One-Hit Wonders
206 of the 1,421 reviewers have only reviewed this product. The One-Hit Wonders have rated this product an average of 3.2 while the reviewers who have posted more than one review have rated this product an average of 2.8. 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.
Never-Verified Reviewers
120 of the 1,421 reviewers have never written a verified purchase review. The Never-Verified Reviewers have rated this product an average of 3.7 while the reviewers who have written at least one verified purchase review rated this product an average of 2.8. 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
130 of the 1,421 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 3.3 while the reviewers who don't have any deleted reviews in their history have rated this product an average of 2.8. 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.
Common Phrases in Reviews:
Show MoreShow Less
24 reviews
19 reviews
78 reviews
32 reviews
26 reviews
20 reviews
18 reviews
30 reviews
17 reviews
38 reviews
Common Phrases in Titles:
40 reviews
66 of the 1,421 total reviews for this product use substantial repetitive phrases between them. These reviewers have rated this product an average of 3.4 while reviews without substantial repetitive phrases rated this product an average of 2.8. 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 Reviewer Participation
-
- 40%
- 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 575 reviewers (or 40%) are within an overrepresented participation group. These reviews have rated this product an average of 3.0, while all other reviews have rated this product an average of 2.8. 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 21 deleted Reviews for this product, with an average rating of 4.3. 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.
Pass Word Count Comparison
-
- 21%
- 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 295 reviews (or 21%) 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 Overlapping Review History
Reviewers of this product have ALSO reviewed the following products:
4% also reviewed:
Amazon Echo by Amazon
4% also reviewed:
Ring Wi-Fi Enabled Video Doorbell by Ring
1% also reviewed:
Chapter Ten: Us and Them by Michael Connelly & Terrill Lee Lankford
1% also reviewed:
GE Z-Wave Wireless Lighting Control Duplex... by GE
1% also reviewed:
SanDisk Ultra microSDHC Card Plus Adapter by SanDisk
Does not include products
from the same brand
from the same brand
172 of the 1,421 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 3.7, while the average ease score for reviewers in this category is 4.3.
3.7 Product's Average Ease Score
4.3 Category's Average Ease Score
Read more about our Reviewer Ease test.
Pass Brand Repeats
Brand Repeaters
28 of the 1,421 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.