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Last Updated: Jul 19, 2017
Note: While Bodybuilding.com claims 4,749 Ratings, we counted 4,367 Reviews available on their site.
Note: We only analyze "reviews" and ignore one-tap "ratings".
Note: We only analyze "reviews" and ignore one-tap "ratings".
Report Card
Fail Overall Grade
FAIL Rating Trend
FAIL Unverified Purchases
FAIL Sample Reviews
FAIL Brand Repeats
FAIL Suspicious Reviewers
FAIL Reviewer Ease
FAIL Word Count Comparison
FAIL Phrase Repetition
FAIL Reviewer Participation
WARN Deleted Reviews
PASS Overlapping Review History
Most Trusted Reviews
great [Go to full review]
Aug 28, 2016
100%
TRUST
TRUST
- Verified Purchaser
- Single-Day Reviewer (posted all reviews on Aug 28, 2016)
- Overlapping Review History: reviewed 1 of 9 top products
- Critical Reviewer (avg. rating: 8.7)
Least Trusted Reviews
I got a small sample of this and never looking ... [Go to full review]
Oct 2, 2012
0%
TRUST
TRUST
- Unverified Purchaser
- Created on a high volume day
- Overrepresented word count (28 words)
- Admitted to receiving an incentive
- One-Hit Wonder
- Never-Verified Reviewer
- Overrepresented Participation (posted 1 Review)
- Easy Grader (avg. rating: 10.0)
Analysis Details
Fail Rating Trend
-
- 37%
- Created over 88 days
We counted 4,367 reviews for this product over the span of 2,234 days, an average of 2.0 reviews per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 8 or fewer reviews on any given day.
However, we see the following 88 days exceeding this threshold:In total, we found that 1,612 reviews were created on just 88 days. The reviews on these high volume days have rated this product an average of 9.6 while reviews from other days 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.
Fail Unverified Purchases
3,517 of the 4,367 total reviews for this product are unverified purchases. The unverified purchasers have rated this product an average of 8.8 while the verified purchasers have rated this product an average of 7.8. 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.
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 Sample Reviews
116 of the 4,367 total reviews for this product mentioned the word "sample" within their review. The reviews that mention the word "sample" have rated this product an average of 7.1 while reviews that don't mention the word "sample" have rated this product an average of 8.6. 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 Brand Repeats
Brand Repeaters
1,148 of the 4,367 reviewers have reviewed other products for this brand. While this is more Brand Repeaters than we'd expect to see, the discrepancy in ratings between the Brand Repeaters and non-repeaters isn't significant enough to rule out the possibility of it being due to random chance.
Brand Loyalists
832 of the 4,367 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.
Brand Monogamists
660 of the 4,367 reviewers have reviewed multiple products, but only for this brand. This is an excessively large percentage of Brand Monogamists which may indicate unnatural reviews.
Fail Suspicious Reviewers
One-Hit Wonders
2,210 of the 4,367 reviewers have only reviewed this product. The One-Hit Wonders have rated this product an average of 9.0 while the reviewers who have posted more than one review have rated this product an average of 8.2. 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
3,061 of the 4,367 reviewers have never written a verified purchase review. The Never-Verified Reviewers have rated this product an average of 9.0 while the reviewers who have written at least one verified purchase review rated this product an average of 7.6. 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
514 of the 4,367 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.
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 8.8, 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.
8.8 Product's Average Ease Score
8.8 Category's Average Ease Score
Read more about our Reviewer Ease test.
Fail Word Count Comparison
-
- 51%
- 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 2,221 reviews (or 51%) are within an overrepresented word count group. These reviews have rated this product an average of 9.2, while all other reviews 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.
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:
90 reviews
66 of the 4,367 total reviews for this product use substantial repetitive phrases between them. These reviewers have rated this product an average of 9.6 while reviews without substantial repetitive phrases rated this product an average of 8.6. 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 Reviewer Participation
-
- 87%
- From reviewers with an overrepresented participation
We see the following 1 participation group with a statistically significant greater concentration than what we'd expect to see:In total, we found that 3807 reviewers (or 87%) are within an overrepresented participation group. These reviews have rated this product an average of 8.7, while all other reviews 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.
Warn Deleted Reviews
We discovered a total of 172 deleted Reviews for this product, with an average rating of 7.3. 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.
Pass Overlapping Review History
Reviewers of this product have ALSO reviewed the following products:
8% also reviewed:
Gold Standard 100% Whey by Optimum Nutrition
7% also reviewed:
C4 Original by Cellucor
3% also reviewed:
Combat Powder by MusclePharm
3% also reviewed:
Phase8 by MuscleTech
3% also reviewed:
Gold Standard 100% Casein by Optimum Nutrition
2% also reviewed:
Essential AmiN.O. Energy by Optimum Nutrition
2% also reviewed:
Opti-Men by Optimum Nutrition
2% also reviewed:
CON-CRET by ProMera Sports
837 of the 4,367 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.