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Basis Health Tracker for Fitness, Sleep & Stress (2014 Ed.)
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This report was last updated 5/4/2019.
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Report Info:
Note: We only analyze "reviews" and ignore one-tap "ratings".
Report Card
Warn Overall Grade
FAIL Rating Trend
FAIL Suspicious Reviewers
FAIL Phrase Repetition
WARN Deleted Reviews
WARN Reviewer Participation
PASS Unverified Purchases
PASS Word Count Comparison
PASS Overlapping Review History
PASS Reviewer Ease
PASS Brand Repeats
PASS Incentivized Reviews
Most Trusted Reviews
read about it in the basis forums to know all ... [Go to full review]
Apr 27, 2014
100%
TRUST
TRUST
- Verified Purchaser
- Critical Reviewer (avg. rating: 3.8)
Least Trusted Reviews
I think this comes closest to what I was looking ... [Go to full review]
Apr 15, 2014 2 of 3 found this helpful.
0%
TRUST
TRUST
- Unverified Purchaser
- Created on a high volume day
- Contains repetitive phrases (show)
- Take-Back Reviewer (1 deleted Review; avg. rating: 5.0)
- Easy Grader (avg. rating: 4.6)
Analysis Details
Fail Rating Trend
-
- 15%
- Created over 17 days
We counted 523 reviews for this product over the span of 1,462 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 3 or fewer reviews on any given day.
However, we see the following 17 days exceeding this threshold:In total, we found that 79 reviews were created on just 17 days. The reviews on these high volume days have rated this product an average of 3.4 while reviews from other days have rated this product an average of 3.1. 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.
Fail Suspicious Reviewers
One-Hit Wonders
138 of the 523 reviewers have only reviewed this product. While this is more One-Hit Wonders than we'd expect to see, the discrepancy in ratings between the One-Hit Wonders and reviewers who have posted more than one review isn't significant enough to rule out the possibility of it being due to random chance.
Take-Back Reviewers
131 of the 523 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
63 reviews
(2.9/5)
(2.9/5)
10 reviews
(3.7/5)
(3.7/5)
17 reviews
(3.3/5)
(3.3/5)
23 reviews
(3.8/5)
(3.8/5)
15 reviews
(3.5/5)
(3.5/5)
6 reviews
(4.3/5)
(4.3/5)
7 reviews
(2.9/5)
(2.9/5)
17 reviews
(4.3/5)
(4.3/5)
11 reviews
(3.7/5)
(3.7/5)
16 reviews
(3.4/5)
(3.4/5)
59 of the 523 total reviews for this product use substantial repetitive phrases between them. These reviewers have rated this product an average of 3.6 while reviews without substantial repetitive phrases rated this product an average of 3.1. 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 Deleted Reviews
We discovered a total of 7 deleted Reviews for this product, with an average rating of 3.1. 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.
Warn 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 244 reviewers (or 47%) are within an overrepresented participation group. While this is more reviews from overrepresented participation groups than we'd expect to see, the discrepancy in ratings between reviewers in an overrepresented participation groups and all other reviewers isn’t significant enough to rule out the possibility of it being due to random chance.
Pass Unverified Purchases
136 of the 523 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
-
- 26%
- 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 135 reviews (or 26%) 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:
3% also reviewed:
Wickedly Prime Fruit, Nut & Seed Bar, Cherry... by Wickedly Prime
3% also reviewed:
Wickedly Prime Masala Butternut Squash Soup, 17... by Wickedly Prime
2% also reviewed:
G7 Power G7BR20727D BR20 Dimmable LED Light Bulb by
2% also reviewed:
Wickedly Prime Organic Hibiscus Tea, Full-Leaf... by Wickedly Prime
2% also reviewed:
Ross Poldark: A Novel of Cornwall, 1783-1787 (The... by Winston Graham
2% also reviewed:
Amazon Fire TV - 1st Generation by Amazon
2% also reviewed:
Item Unavailable by
Does not include products
from the same brand
from the same brand
28 of the 523 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 4.1.
3.7 Product's Average Ease Score
4.1 Category's Average Ease Score
Read more about our Reviewer Ease test.
Pass Brand Repeats
Brand Repeaters
24 of the 523 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 523 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.