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100% Casein
More product info From Bodybuilding.com Foundation Series

42% of potentially unnatural reviews removed (why?)
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Last Updated: Jul 19, 2017
Note: While Bodybuilding.com claims 367 Reviews, we counted 349 available on their site.
Note: We only analyze "reviews" and ignore one-tap "ratings".

Top products in All Bodybuilding.com Products with authentic reviews:


Stringer Tank



Adjusted
Rating:
1 Review

Report Card

Warn Overall Grade
FAIL Rating Trend
FAIL Brand Repeats
FAIL Suspicious Reviewers
WARN Deleted Reviews
PASS Unverified Purchases
PASS Word Count Comparison
PASS Phrase Repetition
PASS Overlapping Review History
PASS Reviewer Participation
PASS Reviewer Ease
PASS Sample Reviews

Most Trusted Reviews

8/10
I like this protein. I did rate it at a ... [Go to full review]
May 19, 2017      
100% TRUST
  • Verified Purchaser
  • Easy Grader (avg. rating: 9.0)


Least Trusted Reviews

8/10
The product did what I've asked it to do, but ... [Go to full review]
Dec 12, 2014      
0% TRUST
  • Verified Purchaser
  • Single-Day Reviewer (posted all reviews on Dec 12, 2014)
  • Take-Back Reviewer (1 deleted Review; avg. rating: 8.0)
  • Brand Loyalist (3 of 5 reviews for this brand; avg rating: 8.3)
  • Overlapping Review History: reviewed 2 of 9 top products
  • Easy Grader (avg. rating: 9.0)


Analysis Details

Fail Rating Trend

  • 3%
  • Created over 3 days

We counted 349 reviews for this product over the span of 1,993 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 3 days exceeding this threshold:In total, we found that 12 reviews were created on just 3 days. The reviews on these high volume days have rated this product an average of 9.2 while reviews from other days have rated this product an average of 7.7. 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


9.2
7.7


Read more about our Rating Trend test.

Fail Brand Repeats

Brand Loyalists


26 of the 349 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


8.9
7.7


Read more about our Brand Repeats test.

Fail Suspicious Reviewers

One-Hit Wonders


110 of the 349 reviewers have only reviewed this product. This is an excessively large percentage of One-Hit Wonders which may indicate unnatural reviews.

from one-hit wonders

from reviewers with more than one review


7.2
8.0


Take-Back Reviewers


61 of the 349 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 8.3 while the reviewers who don't have any deleted reviews in their history have rated this product an average of 7.7. 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 take-back reviewers

from reviewers without previously deleted reviews


8.3
7.7


Single-Day Reviewers


53 of the 349 reviewers have written multiple reviews but posted all of them on a single day. While this is more Single-Day Reviewers than we'd expect to see, the discrepancy in ratings between the Single-Day Reviewers and all other reviewers isn't significant enough to rule out the possibility of it being due to random chance.

from single-day reviewers

from non-single-day reviewers


8.0
7.8


Read more about our Suspicious Reviewers test.

Warn Deleted Reviews

We discovered a total of 8 deleted Reviews for this product, with an average rating of 6.9. 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.

6.9 average rating of deleted reviews

6.9


Show distribution of deleted reviews

Pass Unverified Purchases

94 of the 349 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


8.1
7.7


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.

Pass Phrase Repetition
Reviews that contain one of these phrases are NOT necessarily devalued; read more about how this test works here.



11 of the 349 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


7.3
7.8


Read more about our Phrase Repetition test.

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

8% also reviewed:
C4 Original by Cellucor

7% also reviewed:
Syntha-6 by BSN

7% also reviewed:
Xtend by SciVation

6% also reviewed:
Combat Powder by MusclePharm

6% also reviewed:
Elite Casein by Dymatize

6% also reviewed:
N.O.-Xplode by BSN

6% also reviewed:
Quest Bars by Quest Nutrition

Does not include products
from the same brand


131 of the 349 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


7.8
7.7


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

8.1 Product's Average Ease Score

8.8 Category's Average Ease Score


8.1
8.8


Read more about our Reviewer Ease test.


Pass Sample Reviews

2 of the 349 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"


8.5
7.8


Read more about our Sample Reviews test.