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BIO-GRO From iSatori Report Feedback

Fail Unnatural reviews detected

Original:

453 Reviews

Adjusted:

63 Reviews

48%
8%

View/Edit Adjustment
How is this calculated
Report Last Updated: Jul 19, 2017
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Report Card

Click a test to jump to details

FAIL Rating Trend
FAIL Unverified Purchases
FAIL Brand Repeats
FAIL Suspicious Reviewers
FAIL Reviewer Ease
WARN Deleted Reviews
WARN Word Count Comparison
PASS Phrase Repetition
PASS Overlapping Review History
PASS Reviewer Participation
PASS Sample Reviews
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Other analysis for this product:

Bio Gro (Strawberry Banana Swirl)4.3 oz From Isatori

Pass Reviews appear natural


Original:

7 Reviews


Adjusted:

6 Reviews

iSatori Bio-Gro Strawberry Banana Swirl 4.3 oz From Isatori

Pass Reviews appear natural


Original:

3 Reviews


Adjusted:

3 Reviews

Isatori Bio-gro 6.35oz (180g) From Isatori

Fail Unnatural reviews detected


Original:

104 Reviews


Adjusted:

1 Review

Most Trusted Reviews

9/10
Hey Guys, I really really liked having this product in ... [Go to full review]
Nov 1, 2016      
100% TRUST
  • Verified Purchaser
  • Contains repetitive phrases (show)
  • Critical Reviewer (avg. rating: 6.6)


Least Trusted Reviews

10/10
I've used this product for a year straight and I ... [Go to full review]
Nov 12, 2014      
0% TRUST
  • Unverified Purchaser
  • Created on a high volume day
  • One-Hit Wonder
  • Never-Verified Reviewer
  • Take-Back Reviewer (1 deleted review; avg. rating: 10.0)
  • Brand Monogamist (2 reviews for this brand; avg rating: 10.0)
  • Easy Grader (avg. rating: 10.0)


Analysis Details

Note: While Bodybuilding.com claims 453 reviews, we counted 416 available on their site.

Fail Rating Trend

  • 37%
  • Created over 9 days

We counted 416 reviews for this product over the span of 1,499 days, an average of 0.3 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 9 days exceeding this threshold:In total, we found that 153 reviews were created on just 9 days. The reviews on these high volume days have rated this product an average of 9.5 while reviews from other days have rated this product an average of 8.1. 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.

from reviews created on high volume days

from reviews created on normal volume days


9.5
8.1


Read more about our Rating Trend test.

Fail Unverified Purchases

281 of the 416 total reviews for this product are unverified purchases. The unverified purchasers have rated this product an average of 9.0 while the verified purchasers have rated this product an average of 8.0. 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.

from unverified purchasers

from verified purchases


9.0
8.0


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 Brand Repeats

Brand Loyalists


19 of the 416 reviewers have reviewed multiple products but half or more of their reviews are for this brand. This is an excessively large percentage of Brand Loyalists which may indicate unnatural reviews.

from Brand Loyalists

from Non-Loyalists


9.4
8.6


Read more about our Brand Repeats test.

Fail Suspicious Reviewers

One-Hit Wonders


173 of the 416 reviewers have only reviewed this product. The One-Hit Wonders have rated this product an average of 9.2 while the reviewers who have posted more than one review have rated this product an average of 8.3. 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.

from one-hit wonders

from reviewers with more than one review


9.2
8.3


Never-Verified Reviewers


209 of the 416 reviewers have never written a verified purchase review. The Never-Verified Reviewers have rated this product an average of 9.2 while the reviewers who have written at least one verified purchase review rated this product an average of 8.1. 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.

from never-verified reviewers

from reviewers with at least one verified purchase review


9.2
8.1


Take-Back Reviewers


96 of the 416 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.

from take-back reviewers

from reviewers without previously deleted reviews


8.0
8.8


Read more about our Suspicious Reviewers test.

Fail 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 8.9, while the average ease score for reviewers in this category is 8.8. 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.

8.9 Product's Average Ease Score

8.8 Category's Average Ease Score


8.9
8.8


Read more about our Reviewer Ease test.


Warn Deleted Reviews

We discovered a total of 4 deleted reviews for this product, with an average rating of 7.5. 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 the Deleted Reviews test here.

7.5 average rating of deleted reviews

7.5


Show distribution of deleted reviews

Warn Word Count Comparison

  • 43%
  • 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 2 groups with a statistically significant greater concentration than what we'd expect to see:In total, we found that 179 reviews (or 43%) 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


8.8
8.5


Read more about our Word Count Comparison 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:
14 reviews
8 reviews
15 reviews
20 reviews
8 reviews
6 reviews
11 reviews
Show MoreShow Less


11 of the 416 total reviews for this product 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


9.1
8.6


Read more about our Phrase Repetition test.

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

10% also reviewed:
C4 Original by Cellucor

9% also reviewed:
Phase8 by MuscleTech

7% also reviewed:
Mr. Hyde by Pro Supps

7% also reviewed:
N.O.-Xplode by BSN

6% also reviewed:
CON-CRET by ProMera Sports

6% also reviewed:
Platinum 100% Whey by MuscleTech

5% also reviewed:
Combat Powder by MusclePharm

5% also reviewed:
Alpha Amino by Cellucor

Does not include products
from the same brand


117 of the 416 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


8.2
8.8


Read more about our Overlapping Review History test.

Pass Reviewer Participation

  • 0%
  • From reviewers with an overrepresented participation
We didn't find any participation groups that had a statistically significant greater concentration than what we'd expect to see in this category.
Read more about our Reviewer Participation test.

Pass Sample Reviews

11 of the 416 total reviews for this product mentioned the word "sample" within their review. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.

from reviews that use the word "sample"

from reviews that don't use the word "sample"


8.1
8.7


Read more about our Sample Reviews test.


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