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Zoo Med Floating Betta Log
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From Zoo Med
This report was last updated 7/26/2020.
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Report Info:
Note: We only analyze "reviews" and ignore one-tap "ratings".
Top products in Ornaments with authentic reviews:
Report Card
Fail Overall Grade
FAIL Suspicious Reviewers
FAIL Phrase Repetition
FAIL Overlapping Review History
WARN Deleted Reviews
WARN Reviewer Participation
PASS Rating Trend
PASS Unverified Purchases
PASS Word Count Comparison
PASS Reviewer Ease
PASS Brand Repeats
PASS Incentivized Reviews
Most Trusted Reviews
Buyer beware.My betta LOVED this.It stopped floating. I've had it ... [Go to full review]
Feb 29, 2020
100%
TRUST
TRUST
- Verified Purchaser
- Take-Back Reviewer (5 deleted Reviews; avg. rating: 2.4)
- Critical Reviewer (avg. rating: 3.5)
Least Trusted Reviews
My Betta loves it. Stays in there all the time. [Go to full review]
Aug 20, 2019
0%
TRUST
TRUST
- Verified Purchaser
- Contains repetitive phrases (show)
- Take-Back Reviewer (1 deleted Review; avg. rating: 5.0)
- Overlapping Review History: reviewed 2 of 9 top products
- Overrepresented Participation (posted 28 Reviews)
- Critical Reviewer (avg. rating: 3.7)
Analysis Details
Fail Suspicious Reviewers
One-Hit Wonders
15 of the 859 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 4.2. 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
11 of the 859 reviewers have never written a verified purchase review. The Never-Verified Reviewers have rated this product an average of 3.3 while the reviewers who have written at least one verified purchase review 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.
Take-Back Reviewers
343 of the 859 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 4.2 while the reviewers who don't have any deleted reviews in their history 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.
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
37 reviews
(4.6/5)
(4.6/5)
25 reviews
(4.8/5)
(4.8/5)
36 reviews
(4.5/5)
(4.5/5)
19 reviews
(4.6/5)
(4.6/5)
41 reviews
(4.8/5)
(4.8/5)
18 reviews
(4.7/5)
(4.7/5)
13 reviews
(4.9/5)
(4.9/5)
41 reviews
(4.7/5)
(4.7/5)
10 reviews
(4.4/5)
(4.4/5)
11 reviews
(4.6/5)
(4.6/5)
117 of the 859 total reviews for this product use substantial repetitive phrases between them. These reviewers have rated this product an average of 4.8 while reviews without substantial repetitive phrases 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.
Fail Overlapping Review History
Reviewers of this product have ALSO reviewed the following products:
4% also reviewed:
Marina Floating Thermometer for Betta Fish Tank... by Marina
4% also reviewed:
API FRESHWATER MASTER TEST KIT 800-Test... by API
3% also reviewed:
4 LUFFY Giant Marimo Moss Balls --- Aesthetically... by MARIMO PET STORE
3% also reviewed:
6 Marimo Moss Ball Variety Pack - 4 Different... by Aquatic Arts
3% also reviewed:
Hydor Submersible Glass Aquarium Heater -... by Hydor
2% also reviewed:
Marina Ecoscaper Hydrocotyle Silk Plant Plant,... by Marina
2% also reviewed:
Tetra HT Submersible Aquarium Heater With... by Tetra
Does not include products
from the same brand
from the same brand
165 of the 859 reviewers have substantial overlapping product review history. These reviewers have rated this product an average of 4.3 while the reviewers who have a more unique product review history 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.
Warn Deleted Reviews
We discovered a total of 10 deleted Reviews for this product, with an average rating of 4.8. 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
-
- 66%
- From reviewers with an overrepresented participation
We see the following 3 participation groups with a statistically significant greater concentration than what we'd expect to see:In total, we found that 569 reviewers (or 66%) are within an overrepresented participation group. This is an excessively high number of reviewers in overrepresented participation groups.
Pass Rating Trend
-
- 0%
- Created over 1 day
We counted 859 reviews for this product over the span of 3,886 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 1 day exceeding this threshold:In total, we found that 4 reviews were created on just 1 day. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.
Pass Unverified Purchases
81 of the 859 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
-
- 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 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
167 of the 859 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.
1 of the 859 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.