Called for Life: How Loving Our Neighbor Led Us into the Heart of the Ebola Epidemic
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From Kent Brantly
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Top products in Inspirational with authentic reviews:
Report Card
Most Trusted Reviews
TRUST
- Unverified Purchaser
- Overlapping Review History: reviewed 1 of 9 top products
- Critical Reviewer (avg. rating: 4.2)
Least Trusted Reviews
TRUST
- Verified Purchaser
- Created on a high volume day
- Contains repetitive phrases (show)
- Overrepresented Participation (posted 5 Reviews)
- Easy Grader (avg. rating: 5.0)
Analysis Details
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- 57%
- 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 81 reviewers (or 57%) are within an overrepresented participation group. These reviews have rated this product an average of 4.9, while all other reviews have 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.
We discovered a total of 2 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.
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- 15%
- Created over 6 days
We counted 141 reviews for this product over the span of 1,451 days, an average of 0.1 reviews per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 2 or fewer reviews on any given day.
However, we see the following 6 days exceeding this threshold:In total, we found that 21 reviews were created on just 6 days. Although any days with a larger number of reviews than expected is suspicious, these reviews do not appear to have a significant impact on the overall rating.
4.6 Product's Average Ease Score
4.4 Category's Average Ease Score
Read more about our Reviewer Ease test.
(5.0/5)
(5.0/5)
(5.0/5)
(5.0/5)
(5.0/5)
(5.0/5)
(5.0/5)
(4.6/5)
(5.0/5)
(5.0/5)
54 of the 141 total reviews for this product use substantial repetitive phrases between them. This is an excessively large percentage which may indicate unnatural reviews.
37 of the 141 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.
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- 0%
- Have an overrepresented word count
Read more about our Word Count Comparison test.
One-Hit Wonders
8 of the 141 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.
Never-Verified Reviewers
10 of the 141 reviewers have never written a verified purchase review. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.
Take-Back Reviewers
30 of the 141 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.
Single-Day Reviewers
5% also reviewed:
Seeking Allah, Finding Jesus: A Devout Muslim... by Nabeel Qureshi
4% also reviewed:
The Fallen Angel: A Novel (Gabriel Allon) by Daniel Silva
4% also reviewed:
All the Light We Cannot See: A Novel by Anthony Doerr
4% also reviewed:
Daring to Hope: Finding God's Goodness in... by Katie Davis Majors
3% also reviewed:
Dead Wake: The Last Crossing of the Lusitania by Erik Larson
3% also reviewed:
Hiding in the Light: Why I Risked Everything to... by Rifqa Bary
3% also reviewed:
Seven Women: And the Secret of Their Greatness by Eric Metaxas
3% also reviewed:
For the Love: Fighting for Grace in a World of... by Jen Hatmaker
from the same brand
23 of the 141 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.
Brand Repeaters
4 of the 141 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.