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(Black) Galaxy S9 Screen Protector, [2 - Pack] Half Screen Tempered Glass Screen Protector [Case...
More product info From Marcus Luttrell

Review Hijacking Alert!
794 reviews are coming from a seemingly different product variation:

Lone Survivor The Incredible True Story of Navy SEALs Under Siege (Example Review )



Learn more about Review Hijacking.
Amazon Reviews for  (Black) Galaxy S9 Screen Protector, [2 - Pack] Half Screen Tempered Glass Screen Protector [Case Friendly] [Anti-Scratch][Anti-Fingerprint][Bubble Free] Compatible Samsung Galaxy S9
Rating:
11,929 Ratings
11,972 Reviews
("Ratings" vs. "Reviews")
13% of potentially unnatural reviews removed (why?)
Adjusted:
10,360 Reviews




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Last Updated: Sep 10, 2019
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Note: While Amazon.com claims 11,929 Ratings, we counted 11,972 Reviews available on their site.
Note: We only analyze "reviews" and ignore one-tap "ratings".

Top products in Books with authentic reviews:


Report Card

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

Most Trusted Reviews

This book is absolutely amazing. Marcus vividly recounts his training ... [Go to full review]
Aug 11, 2007     1 of 2 found this helpful.  
52% TRUST
  • Unverified Purchaser
  • Overrepresented Participation (posted 4 Reviews)
  • Easy Grader (avg. rating: 5.0)


Least Trusted Reviews

I had heard of this story in Summer of 2005. ... [Go to full review]
Nov 24, 2007      
0% TRUST
  • Unverified Purchaser
  • Created on a high volume day
  • Contains repetitive phrases (show)
  • One-Hit Wonder
  • Never-Verified Reviewer
  • Overrepresented Participation (posted 1 Review)
  • Easy Grader (avg. rating: 5.0)


Analysis Details

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:
258 reviews
(4.9/5)
210 reviews
(4.9/5)
221 reviews
(4.9/5)
142 reviews
(5.0/5)
303 reviews
(4.9/5)
156 reviews
(5.0/5)
146 reviews
(4.9/5)
278 reviews
(4.9/5)
163 reviews
(4.8/5)
178 reviews
(4.8/5)
Show MoreShow Less
Common Phrases in Titles:
729 reviews
(4.8/5)
491 reviews
(5.0/5)
178 reviews
(4.9/5)
267 reviews
(5.0/5)
Show MoreShow Less


1,452 of the 11,972 total reviews for this product use substantial repetitive phrases between them. These reviewers have rated this product an average of 4.9 while reviews without substantial repetitive phrases rated this product an average of 4.7. 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 reviews with substantial repetitive phrases

from reviews without substantial repetitive phrases


4.9
4.7


Read more about our Phrase Repetition test.

Warn Deleted Reviews

We discovered a total of 147 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:
  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.

4.6 average rating of deleted reviews

4.6


Show distribution of deleted reviews

Warn Rating Trend

  • 49%
  • Created over 244 days

We counted 11,972 reviews for this product over the span of 4,472 days, an average of 2.7 reviews per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 9 or fewer reviews on any given day.

However, we see the following 244 days exceeding this threshold:In total, we found that 5,821 reviews were created on just 244 days. This is an excessively high number of reviews submitted on these high volume days.

from reviews created on high volume days

from reviews created on normal volume days


4.7
4.7


Read more about our Rating Trend test.

Warn Suspicious Reviewers

One-Hit Wonders


1,289 of the 11,972 reviewers have only reviewed this product. While this is more One-Hit Wonders than we'd expect to see, it does not appear to have a significant impact on the overall rating.

from one-hit wonders

from reviewers with more than one review


4.7
4.7


Read more about our Suspicious Reviewers test.

Warn 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 4.5, while the average ease score for reviewers in this category is 4.3. While this discrepancy is rather large, it is not quite large enough to rule out the possibility of it being due random chance.

4.5 Product's Average Ease Score

4.3 Category's Average Ease Score


4.5
4.3


Read more about our Reviewer Ease test.


Warn Reviewer Participation

  • 69%
  • 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 8276 reviewers (or 69%) 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


4.7
4.7


Read more about our Reviewer Participation test.

Pass Unverified Purchases

1,993 of the 11,972 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.

from unverified purchasers

from verified purchases


4.4
4.8


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 Word Count Comparison

  • 26%
  • 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 3,059 reviews (or 26%) 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.

from reviews with an overrepresented word count

from reviews with a properly represented word count


4.8
4.7


Read more about our Word Count Comparison test.

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

Does not include products
from the same brand


2,317 of the 11,972 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


4.8
4.7


Read more about our Overlapping Review History test.

Pass Brand Repeats

Brand Repeaters


341 of the 11,972 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.

from Brand Repeaters

from Non-Repeaters


4.9
4.7


Read more about our Brand Repeats test.

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.

  • 0%
  • Admitted to receiving an incentive
We didn't detect any reviews that used language indicating they were incentivized.
Read more about our Incentivized Reviews test. Check out our study showing that Incentivized Reviewers are much more likely to leave a positive review.