The Power of a Positive Team: Proven Principles and Practices that Make Great Teams Great (Jon...
More product info
From Jon Gordon
Refresh the report to view the most up-to-date data available:
Our full report will examine much more data, but requires considerably more processing power. Enter your email to receive a notification when the full report is complete.
(more info)
Top products in Management & Leadership with authentic reviews:
Report Card
Most Trusted Reviews
TRUST
- Verified Purchaser
- Take-Back Reviewer (2 deleted Reviews; avg. rating: 4.5)
- Brand Repeater (2 of 133 reviews for this brand; avg rating: 5.0)
- Critical Reviewer (avg. rating: 4.2)
Least Trusted Reviews
TRUST
- Verified Purchaser
- Created on a high volume day
- Overrepresented word count (50 words)
- Contains repetitive phrases (show)
- Brand Monogamist (2 of 2 reviews for this brand; avg rating: 5.0)
- Overrepresented Participation (posted 2 Reviews)
- Easy Grader (avg. rating: 5.0)
Analysis Details
We discovered a total of 2 deleted Reviews for this product, with an average rating of 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.
One-Hit Wonders
Less than approximately 10% of 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.
Never-Verified Reviewers
Less than approximately 10% of reviewers have never written a verified purchase review. The Never-Verified Reviewers have rated this product an average of 1.0 while the reviewers who have written at least one verified purchase review rated this product an average of 4.8. 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.
<10% also reviewed:
The Carpenter: A Story About the Greatest Success... by Gordon, Jon/ Blanchard, Ken (FRW)
<10% also reviewed:
You Win in the Locker Room First: The 7 Cs to... by Mike Smith Jon Gordon
<10% also reviewed:
Nature’s Way Sambucus Elderberry Immune... by Nature's Way
<10% also reviewed:
WalkFit Platinum Foot Orthotics Plantar Fasciitis... by WalkFit Platinum
<10% also reviewed:
The Alchemist by Paulo Coelho
<10% also reviewed:
Hynes Victory Womens Classy Satchel Handbag (Blue) by Hynes Victory
<10% also reviewed:
The Captain Class: A New Theory of Leadership by Sam Walker
<10% also reviewed:
Polara Ultimate Straight Golf Balls, Designed to... by Polara
from the same brand
Approximately 35% of reviewers have substantial overlapping product review history. These reviewers have rated this product an average of 5.0 while the reviewers who have a more unique product review history rated this product an average of 4.5. 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.
Read more about our Rating Trend test.
(5.0/5)
(5.0/5)
(5.0/5)
(5.0/5)
(5.0/5)
(5.0/5)
Approximately 20% 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.
26 of the 880 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.
-
- ~25%
- 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 25% 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.
4.5 Product's Average Ease Score
4.4 Category's Average Ease Score
Read more about our Reviewer Ease test.
Brand Repeaters
Approximately 15% of 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.
-
- <10%
- Admitted to receiving an incentive
Read more about our Incentivized Reviews test. Check out our study showing that Incentivized Reviewers are much more likely to leave a positive review.