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ISO HD
More product info From BPI Sports

Amazon Reviews for   ISO HD
Rating:
238 Ratings
231 Reviews
("Ratings" vs. "Reviews")
84% of potentially unnatural reviews removed (why?)
Adjusted:
View/Edit Adjustment
Jump to Report Card
Report Info:
Last Updated: Jul 19, 2017
Note: While Bodybuilding.com claims 238 Ratings, we counted 231 Reviews 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

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

Most Trusted Reviews

7/10
User did not leave written text for this review. [Go to full review]
Mar 14, 2017      
100% TRUST
  • Verified Purchaser
  • Critical Reviewer (avg. rating: 8.0)


Least Trusted Reviews

10/10
ISO HD is me favorite isolate protein because it tastes ... [Go to full review]
Jun 11, 2015      
0% TRUST
  • Unverified Purchaser
  • Created on a high volume day
  • Contains repetitive phrases (show)
  • Never-Verified Reviewer
  • Single-Day Reviewer (posted all reviews on Jun 11, 2015)
  • Brand Loyalist (3 of 5 reviews for this brand; avg rating: 10.0)
  • Overlapping Review History: reviewed 1 of 9 top products
  • Easy Grader (avg. rating: 10.0)


Analysis Details

Fail Rating Trend

  • 24%
  • Created over 7 days

We counted 231 reviews for this product over the span of 898 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 7 days exceeding this threshold:In total, we found that 55 reviews were created on just 7 days. The reviews on these high volume days have rated this product an average of 10.0 while reviews from other days have rated this product an average of 8.5. 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


10.0
8.5


Read more about our Rating Trend test.

Fail Unverified Purchases

133 of the 231 total reviews for this product are unverified purchases. The unverified purchasers have rated this product an average of 9.4 while the verified purchasers 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 unverified purchasers

from verified purchases


9.4
8.1


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 Repeaters


113 of the 231 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.

from Brand Repeaters

from Non-Repeaters


9.7
8.0


Brand Loyalists


79 of the 231 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


9.9
8.3


Brand Monogamists


22 of the 231 reviewers have reviewed multiple products, but only for this brand. This is an excessively large percentage of Brand Monogamists which may indicate unnatural reviews.

from Brand Monogamists

from Non-Monogamists


9.9
8.7


Read more about our Brand Repeats test.

Fail Suspicious Reviewers

One-Hit Wonders


61 of the 231 reviewers have only reviewed this product. The One-Hit Wonders have rated this product an average of 7.6 while the reviewers who have posted more than one review have rated this product an average of 9.3. 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


7.6
9.3


Never-Verified Reviewers


105 of the 231 reviewers have never written a verified purchase review. The Never-Verified Reviewers have rated this product an average of 9.5 while the reviewers who have written at least one verified purchase review 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 never-verified reviewers

from reviewers with at least one verified purchase review


9.5
8.3


Take-Back Reviewers


39 of the 231 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


9.1
8.8


Single-Day Reviewers


40 of the 231 reviewers have written multiple reviews but posted all of them on a single day. The Single-Day reviewers have rated this product an average of 9.7 while all other reviewers rated this product an average of 8.7. 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 single-day reviewers

from non-single-day reviewers


9.7
8.7


Read more about our Suspicious Reviewers test.

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

16% also reviewed:
Legend by Cutler Nutrition

10% also reviewed:
ISO100 by Dymatize

9% also reviewed:
COR-Performance Whey by Cellucor

9% also reviewed:
Big T by Cutler Nutrition

Does not include products
from the same brand


95 of the 231 reviewers have substantial overlapping product review history. These reviewers have rated this product an average of 9.4 while the reviewers who have a more unique product review history rated this product an average of 8.4. 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 reviewers with substantial overlapping history

from reviewers without a substantial overlapping history


9.4
8.4


Read more about our Overlapping Review History test.

Warn Deleted Reviews

We discovered a total of 2 deleted Reviews for this product, with an average rating of 9.5. 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 our Deleted Reviews test.

9.5 average rating of deleted reviews

9.5


Show distribution of deleted reviews

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



31 of the 231 total reviews for this product use substantial repetitive phrases between them. This is an excessively large percentage which may indicate unnatural reviews.

from reviews with substantial repetitive phrases

from reviews without substantial repetitive phrases


8.9
8.8


Read more about our Phrase Repetition 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 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 8.8, while the average ease score for reviewers in this category is 8.8.

8.8 Product's Average Ease Score

8.8 Category's Average Ease Score


8.8
8.8


Read more about our Reviewer Ease test.


Pass Sample Reviews

8 of the 231 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"


9.0
8.8


Read more about our Sample Reviews test.