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Sassy Developmental Bumpy Ball | Easy to Grasp Bumps Help Develop Motor Skills | for Ages 6 Months...
More product info From Sassy

Sassy Developmental Bumpy Ball | Easy to Grasp Bumps Help Develop Motor Skills | for Ages 6 Months and Up | Colors May Vary View product on Amazon.com
Amazon Reviews for Sassy Developmental Bumpy Ball | Easy to Grasp Bumps Help Develop Motor Skills | for Ages 6 Months and Up | Colors May Vary
Rating:
24,476 Ratings
("Ratings" vs. "Reviews")
0% of potentially unnatural reviews removed (why?)
Adjusted:
24,476 Ratings*



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Report Info:
Last Updated: Dec 12, 2021
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Note: We only analyze "reviews" and ignore one-tap "ratings".

Report Card

Pass Overall Grade
FAIL Deleted Reviews
WARN Suspicious Reviewers
WARN Word Count Comparison
PASS Rating Trend
PASS Unverified Purchases
PASS Phrase Repetition
PASS Overlapping Review History
PASS Reviewer Ease
PASS Brand Repeats
PASS Incentivized Reviews
N/A Reviewer Participation

Most Trusted Reviews

2/5
Baby not interested
My grandson showed no interest in this toy which was ... [Go to full review]
Mar 16, 2020      
100% TRUST
  • Verified Purchaser
  • Take-Back Reviewer (1 deleted Review; avg. rating: 5.0)
  • Critical Reviewer (avg. rating: 4.1)

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Least Trusted Reviews

5/5
Great!
The different textures on this ball make it a hit! [Go to full review]
Sep 26, 2017      
0% TRUST
  • Verified Purchaser
  • Created on a high volume day
  • Overrepresented word count (10 words)
  • Contains repetitive phrases (show)
  • Overlapping Review History: reviewed 2 of 9 top products
  • Overrepresented Participation (posted 13 Reviews)
  • Critical Reviewer (avg. rating: 4.1)

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Report inaccurate data

Analysis Details

Fail Deleted Reviews

We discovered a total of 107 deleted Reviews for this product, with an average rating of 4.6. 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:
  1. 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.
  2. We have no information on reviews that were never published in the first place.
  3. 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.
Read more about our Deleted Reviews test.

4.6 average rating of deleted reviews

4.6

Show distribution of deleted reviews

Warn Suspicious Reviewers

Take-Back Reviewers


Approximately 35% of 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.

from take-back reviewers

from reviewers without previously deleted reviews


4.1
4.3

Read more about our Suspicious Reviewers test.

Warn Word Count Comparison

  • ~35%
  • 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 approximately 35% are within an overrepresented word count group. While this is more reviews from overrepresented word count groups than we'd expect to see, the discrepancy in ratings between reviews with overrepresented word groups and all other reviews isn’t significant enough to rule out the possibility of it being due to random chance.

from reviews with an overrepresented word count

from reviews with a properly represented word count


4.4
4.2

Read more about our Word Count Comparison test.

Pass Rating Trend
  • <10%
  • Created on high-volume days
We didn't notice any signals that would indicate reviews were created unevenly over time.
Read more about our Rating Trend test.

Pass Unverified Purchases

192 of the 24,476 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.

from unverified purchasers

from verified purchases


5.0
4.2

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 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:
month old loves

~6% of reviews
(4.7/5)
6 month old

~6% of reviews
(5.0/5)
my 5 month old

~4% of reviews
(2.5/5)
colors and sound

~4% of reviews
(4.5/5)
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Common Phrases in Titles:
baby loves

~4% of reviews
(5.0/5)
month old

~4% of reviews
(3.5/5)


Less than approximately 10% of reviews 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.

from reviews with substantial repetitive phrases

from reviews without substantial repetitive phrases


4.7
4.2

Read more about our Phrase Repetition test.

Pass Overlapping Review History
Reviewers of this product have ALSO reviewed the following products:


<10% also reviewed:
Neat Solutions 2-Ply Knit Terry Solid Color... by Neat Solutions


<10% also reviewed:
Westcott 8" Soft Grip Titanium Bonded... by Westcott


<10% also reviewed:
Orzly Carry Case Compatible with Nintendo Switch... by Orzly


<10% also reviewed:
Home Dynamix Boho Andorra Bohemian Damask Area... by Home Dynamix


<10% also reviewed:
VTech Musical Rhymes Book by VTech


<10% also reviewed:
Boppy Pregnancy Wedge Pillow with Removable... by Boppy

Show More Show Less
Does not include products
from the same brand


Approximately 30% of 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.

from reviewers with substantial overlapping history

from reviewers without a substantial overlapping history


4.3
4.2

Read more about our Overlapping Review History test.

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


4.2
4.3

Read more about our Reviewer Ease test.


Pass Brand Repeats

Brand Repeaters


Less than approximately 10% of 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.

from Brand Repeaters

from Non-Repeaters


4.7
4.2

Read more about our Brand Repeats test.

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.

  • <10%
  • 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.

N/A Reviewer Participation
We haven't collected sufficient data to run this test yet. more info