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Neutrogena Anti-Residue Shampoo, 6 Fl. Oz
More product info
From Neutrogena
This report was last updated 7/20/2019.
Refresh the report to view the most up-to-date data available:
Refresh the report to view the most up-to-date data available:
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Report Info:
Note: We only analyze "reviews" and ignore one-tap "ratings".
Top products in Shampoos with authentic reviews:
Report Card
Warn Overall Grade
FAIL 
Suspicious Reviewers
Suspicious ReviewersFAIL Reviewer Ease
Reviewer EaseWARN Deleted Reviews
Deleted ReviewsWARN Rating Trend
Rating TrendWARN Unverified Purchases
Unverified PurchasesWARN Phrase Repetition
Phrase RepetitionPASS Word Count Comparison
Word Count ComparisonPASS Overlapping Review History
Overlapping Review HistoryPASS Reviewer Participation
Reviewer ParticipationPASS Brand Repeats
Brand RepeatsPASS Incentivized Reviews
Incentivized Reviews
Most Trusted Reviews
I love the Neutrogena Anti residue shampoo it really gets ... [Go to full review]
May 13, 2015
55%
TRUST
TRUST
-
Unverified Purchaser -
Overrepresented word count (103 words) -
Contains repetitive phrases (
show)
-
Critical Reviewer (avg. rating: 3.0)
Least Trusted Reviews
I received this product free through BzzAgent and I have ... [Go to full review]
Sep 2, 2015 1 of 1 found this helpful.
0%
TRUST
TRUST
-
Unverified Purchaser
-
Created on a high volume day -
Contains repetitive phrases (show)
-
Take-Back Reviewer (24 deleted Reviews; avg. rating: 4.8) -
Critical Reviewer (avg. rating: 4.1)
Verified Purchaser
Analysis Details
Fail Suspicious Reviewers
Suspicious Reviewers
Take-Back Reviewers
495 of the 806 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
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. 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.
4.3 Product's Average Ease Score
4.3 Category's Average Ease Score
Read more about our Reviewer Ease test.
Warn Deleted Reviews
Deleted Reviews
We discovered a total of 10 deleted Reviews for this product, with an average rating of 4.5. 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:
- 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.
4.5 average rating of deleted reviews
Warn Rating Trend
Rating Trend
-
- 38%
- Created over 54 days
We counted 806 reviews for this product over the span of 3,310 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 54 days exceeding this threshold:In total, we found that 309 reviews were created on just 54 days. This is an excessively high number of reviews submitted on these high volume days.
Warn Unverified Purchases
Unverified Purchases
439 of the 806 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.
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 Phrase Repetition
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:
Show MoreShow Less
13 reviews
(4.5/5)
(4.5/5)
14 reviews
(4.3/5)
(4.3/5)
47 reviews
(4.6/5)
(4.6/5)
24 reviews
(4.4/5)
(4.4/5)
33 reviews
(4.7/5)
(4.7/5)
8 reviews
(4.4/5)
(4.4/5)
6 reviews
(4.7/5)
(4.7/5)
29 reviews
(4.4/5)
(4.4/5)
38 reviews
(4.3/5)
(4.3/5)
6 reviews
(4.0/5)
(4.0/5)
211 of the 806 total reviews for this product use substantial repetitive phrases between them. This is an excessively large percentage which may indicate unnatural reviews.
Pass Word Count Comparison
Word Count Comparison
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- 22%
- 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 1 group with a statistically significant greater concentration than what we'd expect to see:In total, we found that 175 reviews (or 22%) are within an overrepresented word count group. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.
Pass Overlapping Review History
Overlapping Review History
Reviewers of this product have ALSO reviewed the following products:
4% also reviewed:
Schick Hydro Silk TrimStyle Moisturizing Razor... by Schick Hydro Silk
3% also reviewed:
Schick Hydro Silk Sensitive Women's... by Schick Hydro Silk
2% also reviewed:
Crest Pro-Health HD Toothpaste, Teeth Whitening... by Crest
2% also reviewed:
Secret Outlast Sport Fresh Scent Women's Clear... by Secret
1% also reviewed:
Fifty Shades Darker: Book Two of the Fifty Shades... by E L James
1% also reviewed:
The Hunger Games (Hunger Games Trilogy, Book 1) by Suzanne Collins
1% also reviewed:
Mineral Fusion Nail Polish by Mineral Fusion
1% also reviewed:
Bic Xtra Fun Ultra Solid Break Resistant #2... by BIC
Does not include products
from the same brand
from the same brand
112 of the 806 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 Participation
Reviewer Participation
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- 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.
Read more about our Reviewer Participation test.
Pass Brand Repeats
Brand Repeats
Brand Repeaters
105 of the 806 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
Incentivized Reviews
On Oct 3, 2016, Amazon prohibited incentivized reviews, however we still test for them since there are still millions in our dataset.
20 of the 806 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.