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Continental Grand Prix 5000
More product info From Continental

Amazon Reviews for  Continental Grand Prix 5000
Rating:
3,655 Ratings
("Ratings" vs. "Reviews")
3% of potentially unnatural reviews removed (why?)
Adjusted:
3,537 Ratings*




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Jump to Report Card

Report Info:

Report Card

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

Most Trusted Reviews

Appena montati. Fatti solo 200 km. La prima impressione è ... [Go to full review]
Oct 29, 2020      
100% TRUST
  • Verified Purchaser
  • Easy Grader (avg. rating: 4.7)


Least Trusted Reviews

Oct 15, 2020      
0% TRUST
  • Verified Purchaser
  • Overrepresented word count (3 words)
  • Overrepresented Participation (posted 2 Reviews)
  • Easy Grader (avg. rating: 5.0)


Analysis Details

Fail Unverified Purchases

2 of the 3,655 total reviews for this product are unverified purchases. The unverified purchasers have rated this product an average of 2.0 while the verified purchasers have rated this product an average of 4.6. 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


2.0
4.6


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 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 4.6, 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.

4.6 Product's Average Ease Score

4.3 Category's Average Ease Score


4.6
4.3


Read more about our Reviewer Ease test.


Warn 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:
~6% of reviews
(4.5/5)
~6% of reviews
(5.0/5)
~6% of reviews
(4.5/5)
~6% of reviews
(4.5/5)
~6% of reviews
(4.5/5)
~10% of reviews
(5.0/5)
Show MoreShow Less


Approximately 15% of reviews use substantial repetitive phrases between them. While this is more than we'd expect to see, the discrepancy in ratings between the these reviews and reviews without substantial repetitive phrases isn't significant enough to rule out the possibility of it being due to random chance.

from reviews with substantial repetitive phrases

from reviews without substantial repetitive phrases


4.8
4.5


Read more about our Phrase Repetition test.

Pass Rating Trend
We didn't notice any signals that would indicate reviews were created unevenly over time.
Read more about our Rating Trend test.

Pass Word Count Comparison

  • ~20%
  • 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 approximately 20% 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


4.7
4.5


Read more about our Word Count Comparison test.

Pass Suspicious Reviewers

One-Hit Wonders


Less than approximately 10% of reviewers have only reviewed this product. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.

from one-hit wonders

from reviewers with more than one review


5.0
4.5


Never-Verified Reviewers

We didn't detect a substantial amount of Never-Verified Reviewers.

Take-Back Reviewers


Less than approximately 10% of reviewers have had at least one of their past reviews for another product deleted. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.

from take-back reviewers

from reviewers without previously deleted reviews


4.5
4.5


Single-Day Reviewers

We didn't detect a substantial amount of Single-Day Reviewers.

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

Does not include products
from the same brand


Approximately 30% of 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


4.6
4.5


Read more about our Overlapping Review History test.

Pass Brand Repeats

Brand Repeaters

We didn't detect a substantial amount of Brand Repeaters.

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.

  • <10%
  • 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.

Pass Deleted Reviews
  • 0
  • Reviews have been deleted
We have not discovered any deleted reviews for this product.

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.

N/A Reviewer Participation
We haven't collected sufficient data to run this test yet. more info