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Xtend
More product info From SciVation

Amazon Reviews for   Xtend
Rating:
2,878 Ratings
2,659 Reviews
("Ratings" vs. "Reviews")
69% 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 2,878 Ratings, we counted 2,659 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 Suspicious Reviewers
FAIL Reviewer Ease
WARN Deleted Reviews
WARN Unverified Purchases
WARN Brand Repeats
WARN Reviewer Participation
PASS Rating Trend
PASS Word Count Comparison
PASS Phrase Repetition
PASS Overlapping Review History
PASS Sample Reviews

Most Trusted Reviews

10/10
excellent produkt gooooood [Go to full review]
Nov 10, 2012      
100% TRUST
  • Verified Purchaser
  • Overlapping Review History: reviewed 4 of 9 top products
  • Critical Reviewer (avg. rating: 7.9)


Least Trusted Reviews

9/10
Fantastic stuff I use it all the time the only ... [Go to full review]
Apr 6, 2010      
0% TRUST
  • Unverified Purchaser
  • Never-Verified Reviewer
  • Single-Day Reviewer (posted all reviews on Apr 6, 2010)
  • Take-Back Reviewer (1 deleted Review; avg. rating: 8.0)
  • Brand Loyalist (2 of 3 reviews for this brand; avg rating: 8.5)
  • Overrepresented Participation (posted 3 Reviews)
  • Easy Grader (avg. rating: 9.0)


Analysis Details

Fail Suspicious Reviewers

One-Hit Wonders


906 of the 2,659 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


9.0
9.2


Never-Verified Reviewers


1,158 of the 2,659 reviewers have never written a verified purchase review. While this is more Never-Verified Reviewers than we'd expect to see, it does not appear to have a significant impact on the overall rating.

from never-verified reviewers

from reviewers with at least one verified purchase review


9.0
9.2


Take-Back Reviewers


457 of the 2,659 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


9.2
9.1


Single-Day Reviewers


516 of the 2,659 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


9.2
9.1


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 51 deleted Reviews for this product, with an average rating of 8.7. 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.

8.7 average rating of deleted reviews

8.7


Show distribution of deleted reviews

Warn Unverified Purchases

1,476 of the 2,659 total reviews for this product are unverified purchases. While this is a higher percentage of unverified purchases than we'd expect to see, it does not appear to have a significant impact on the overall rating.

from unverified purchasers

from verified purchases


9.0
9.2


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.

Warn Brand Repeats

Brand Loyalists


55 of the 2,659 reviewers have reviewed multiple products but half or more of their reviews are for this brand. While this is more Brand Loyalists than we'd expect to see, the discrepancy in ratings between the Brand Loyalists and non-loyalists isn't significant enough to rule out the possibility of it being due to random chance.

from Brand Loyalists

from Non-Loyalists


9.2
9.1


Read more about our Brand Repeats test.

Warn Reviewer Participation

  • 79%
  • 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 2105 reviewers (or 79%) are within an overrepresented participation group. This is an excessively high number of reviewers in overrepresented participation groups.

From reviewers with an overrepresented participation

From reviewers with a properly represented participation


9.1
9.2


Read more about our Reviewer Participation test.

Pass Rating Trend

  • 2%
  • Created over 9 days

We counted 2,659 reviews for this product over the span of 3,563 days, an average of 0.7 reviews per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 5 or fewer reviews on any given day.

However, we see the following 9 days exceeding this threshold:In total, we found that 57 reviews were created on just 9 days. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.

from reviews created on high volume days

from reviews created on normal volume days


8.4
9.1


Read more about our Rating Trend 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.

Common Phrases in Reviews:
163 reviews
68 reviews


12 of the 2,659 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


9.4
9.1


Read more about our Phrase Repetition test.

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

7% also reviewed:
C4 Original by Cellucor

6% also reviewed:
Syntha-6 by BSN

5% also reviewed:
Combat Powder by MusclePharm

5% also reviewed:
Opti-Men by Optimum Nutrition

5% also reviewed:
N.O.-Xplode by BSN

4% also reviewed:
ISO100 by Dymatize

Does not include products
from the same brand


992 of the 2,659 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


9.2
9.1


Read more about our Overlapping Review History test.

Pass Sample Reviews

16 of the 2,659 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"


8.8
9.1


Read more about our Sample Reviews test.