John Adams Season 1
Report Last Updated: Aug 14, 2017
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Most Trusted Reviews
- Unverified Purchaser
- Created on a high volume day
- Overrepresented Participation (posted 6 reviews)
- Easy Grader (avg. rating: 4.8)
4.4 Product's Average Ease Score
4.3 Category's Average Ease Score
Read more about our Reviewer Ease test.
353 of the 11,798 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 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:
Example critical reviews
0.3 average net helpfulness for positive reviews
-2.4 average net helpfulness for negative reviews
Read more about our Skewed Helpfulness test.
- Created over 312 days
We counted 11,798 reviews for this product over the span of 3,434 days, an average of 3.4 reviews per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 11 or fewer reviews on any given day.
However, we see the following 312 days exceeding this threshold:
478 of the 11,798 reviewers have had at least one of their past reviews for another product deleted. While this is more Take-Back Reviewers than we'd expect to see, it does not appear to have a significant impact on the overall rating.
4,046 of the 11,798 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.
- Have an overrepresented word count
Read more about our Word Count Comparison test.
2,393 of the 11,798 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.
31 of the 11,798 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.
- Admitted to receiving an incentive
Read more about our Incentivized Reviews test, or check out our study showing that Incentivized Reviewers are much more likely to leave a positive review.
- Reviews have been deleted
Read more about our Deleted Reviews test.