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Exercise Ball With Pump - by BodySport - Strengthen Your Core for Great Abs - Tone - Yoga - Fitness...
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From Body Sport
This report was last updated 9/21/2017.
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Last Updated: Sep 21, 2017
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Note: We only analyze "reviews" and ignore one-tap "ratings".
Report Card
Warn Overall Grade
FAIL Deleted Reviews
FAIL Unverified Purchases
FAIL Suspicious Reviewers
WARN Phrase Repetition
WARN Reviewer Participation
PASS Rating Trend
PASS Word Count Comparison
PASS Overlapping Review History
PASS Reviewer Ease
PASS Brand Repeats
PASS Incentivized Reviews
Most Trusted Reviews
Helps to keep my back adjusted and hips limber....sometimes yoga ... [Go to full review]
Nov 11, 2015
100%
TRUST
TRUST
- Verified Purchaser
- Take-Back Reviewer (1 deleted Review; avg. rating: 4.0)
- Easy Grader (avg. rating: 4.5)
Least Trusted Reviews
My son wanted this to bounce on in the backyard ... [Go to full review]
Sep 28, 2014
0%
TRUST
TRUST
- Unverified Purchaser
- Single-Day Reviewer (posted all reviews on Sep 28, 2014)
- Overlapping Review History: reviewed 1 of 9 top products
- Overrepresented Participation (posted 23 Reviews)
- Easy Grader (avg. rating: 4.9)
Analysis Details
Fail Deleted Reviews
We discovered a total of 45 deleted Reviews for this product, with an average rating of 4.7. 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.
Fail Unverified Purchases
83 of the 565 total reviews for this product are unverified purchases. The unverified purchasers have rated this product an average of 4.4 while the verified purchasers have rated this product an average of 4.1. 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.
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
Take-Back Reviewers
94 of the 565 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 4.4 while the reviewers who don't have any deleted reviews in their history have rated this product an average of 4.0. 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 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
4 reviews
10 reviews
4 reviews
8 reviews
4 reviews
15 reviews
10 reviews
Common Phrases in Titles:
20 reviews
5 reviews
9 reviews
11 of the 565 total reviews for this product use substantial repetitive phrases between them. This is an excessively large percentage which may indicate unnatural reviews.
Warn Reviewer Participation
-
- 59%
- 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 334 reviewers (or 59%) are within an overrepresented participation group. This is an excessively high number of reviewers in overrepresented participation groups.
Pass Rating Trend
-
- 1%
- Created over 2 days
We counted 565 reviews for this product over the span of 3,379 days, an average of 0.2 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 2 days exceeding this threshold:In total, we found that 8 reviews were created on just 2 days. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.
Pass Word Count Comparison
-
- 0%
- Have an overrepresented word count
We didn't find any review word count groups that had a statistically significant greater concentration than what we'd expect to see in this category.
Read more about our Word Count Comparison test.
Read more about our Word Count Comparison test.
Pass Overlapping Review History
Reviewers of this product have ALSO reviewed the following products:
1% also reviewed:
IRIS USA, Inc. Ziploc WeatherShield 16 Quart... by IRIS USA, Inc.
1% also reviewed:
PRO-15 Advanced Strength Probiotics: 3x the CFU... by Hyperbiotics
1% also reviewed:
Isokinetics Inc. Brand Exercise Ball Base - One... by Isokinetics
1% also reviewed:
CeraVe Moisturizing Cream with Pump 16 oz Daily... by CeraVe
1% also reviewed:
FELINE GREENIES Dental Treats for Cats Oven... by Greenies
1% also reviewed:
Spinrite Bernat Blanket Big Ball Yarn, Teal by Spinrite
1% also reviewed:
Colon Cleanse and Detox All Natural Way to Lose... by Vita Web
Does not include products
from the same brand
from the same brand
43 of the 565 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 Monogamists
4 of the 565 reviewers have reviewed multiple products, but only 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.
12 of the 565 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.