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Dymatize Nutrition - ISO 100 100% Hydrolyzed Whey Protein Isolate Vanilla Cream - 5 lbs.
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From Dymatize
This report was last updated 7/11/2020.
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Report Info:
Note: While Amazon.com claims 4,822 Ratings, we counted 4,834 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
Warn Overall Grade
FAIL Rating Trend
FAIL Suspicious Reviewers
FAIL Word Count Comparison
FAIL Phrase Repetition
WARN Deleted Reviews
WARN Reviewer Participation
PASS Unverified Purchases
PASS Overlapping Review History
PASS Reviewer Ease
PASS Brand Repeats
PASS Incentivized Reviews
Most Trusted Reviews
I’m sad. The hype was a little too real. I ... [Go to full review]
Jun 18, 2020
73%
TRUST
TRUST
- Verified Purchaser
- Take-Back Reviewer (4 deleted Reviews; avg. rating: 5.0)
- Overrepresented Participation (posted 6 Reviews)
- Easy Grader (avg. rating: 4.5)
Least Trusted Reviews
best iso whey in the market for the price. [Go to full review]
Feb 28, 2018
32%
TRUST
TRUST
- Verified Purchaser
- Overrepresented word count (9 words)
- Single-Day Reviewer (posted all reviews on Feb 28, 2018)
- Overrepresented Participation (posted 3 Reviews)
- Critical Reviewer (avg. rating: 4.0)
Analysis Details
Fail Rating Trend
-
- 3%
- Created over 16 days
We counted 4,834 reviews for this product over the span of 2,839 days, an average of 1.7 reviews per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 7 or fewer reviews on any given day.
However, we see the following 16 days exceeding this threshold:In total, we found that 143 reviews were created on just 16 days. The reviews on these high volume days have rated this product an average of 4.6 while reviews from other days have rated this product an average of 4.4. 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.
Fail Suspicious Reviewers
Take-Back Reviewers
1,643 of the 4,834 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 4.5 while the reviewers who don't have any deleted reviews in their history have rated this product an average of 4.3. 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.
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 2,454 reviews (or 51%) are within an overrepresented word count group. These reviews have rated this product an average of 4.6, while all other reviews 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:
64 reviews
(3.7/5)
(3.7/5)
51 reviews
(4.4/5)
(4.4/5)
103 reviews
(4.5/5)
(4.5/5)
Common Phrases in Titles:
135 reviews
(4.7/5)
(4.7/5)
109 of the 4,834 total reviews for this product use substantial repetitive phrases between them. These reviewers have rated this product an average of 4.6 while reviews without substantial repetitive phrases rated this product an average of 4.4. 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.
Warn Deleted Reviews
We discovered a total of 23 deleted Reviews for this product, with an average rating of 4.6. 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
-
- 62%
- From reviewers with an overrepresented participation
We see the following 2 participation groups with a statistically significant greater concentration than what we'd expect to see:In total, we found that 2976 reviewers (or 62%) are within an overrepresented participation group. This is an excessively high number of reviewers in overrepresented participation groups.
Pass Unverified Purchases
241 of the 4,834 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 Overlapping Review History
Reviewers of this product have ALSO reviewed the following products:
2% also reviewed:
Scivation Xtend Bcaa Powder, 7g bcaas, Branched... by Scivation
1% also reviewed:
BlenderBottle Classic V2 Shaker Bottle, 20-Ounce,... by Blender Bottle
1% also reviewed:
Optimum Nutrition Gold Standard 100% Whey Protein... by Optimum Nutrition
1% also reviewed:
Isopure Zero Carb Protein Powder, 100% Whey... by Isopure
1% also reviewed:
Quest Nutrition Protein Bar, Apple Pie, 20g... by Quest Nutrition
Does not include products
from the same brand
from the same brand
297 of the 4,834 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.
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 4.3, while the average ease score for reviewers in this category is 4.3.
4.3 Product's Average Ease Score
4.3 Category's Average Ease Score
Read more about our Reviewer Ease test.
Pass Brand Repeats
Brand Repeaters
397 of the 4,834 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.
3 of the 4,834 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.