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Book On Space: Asteroids and Meteors: Planets Book for Kids (Children's Astronomy & Space Books)
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This report was last updated 5/25/2017.
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Report Info:
Last Updated: May 25, 2017
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Note: We only analyze "reviews" and ignore one-tap "ratings".
Report Card
Warn Overall Grade
FAIL Suspicious Reviewers
WARN Deleted Reviews
WARN Rating Trend
WARN Incentivized Reviews
WARN Brand Repeats
WARN Reviewer Ease
WARN Phrase Repetition
WARN Overlapping Review History
PASS Unverified Purchases
PASS Word Count Comparison
PASS Reviewer Participation
Most Trusted Reviews
Wonderful information, great for kids interested in space. The pictures ... [Go to full review]
Feb 16, 2016
100%
TRUST
TRUST
- Verified Purchaser
- Brand Loyalist (14 of 26 reviews for this brand; avg rating: 4.8)
- Easy Grader (avg. rating: 4.8)
Least Trusted Reviews
Interesting photos depict asteroids and meteors quite well. Fun facts ... [Go to full review]
Feb 17, 2016
20%
TRUST
TRUST
- Verified Purchaser
- Created on a high volume day
- Admitted to receiving an incentive
- Take-Back Reviewer (2 deleted Reviews; avg. rating: 4.5)
- Brand Loyalist (49 of 70 reviews for this brand; avg rating: 4.0)
- Overlapping Review History: reviewed 3 of 9 top products
- Critical Reviewer (avg. rating: 4.0)
Analysis Details
Fail Suspicious Reviewers
Take-Back Reviewers
54 of the 63 reviewers have had at least one of their past reviews for another product deleted. This is an excessively large percentage of Take-Back Reviewers which may indicate unnatural reviews.
Warn Deleted Reviews
We discovered a total of 3 deleted Reviews for this product, with an average rating of 3.7. 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.
Warn Rating Trend
-
- 38%
- Created over 5 days
We counted 63 reviews for this product over the span of 182 days, an average of 0.3 reviews per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 3 or fewer reviews on any given day.
However, we see the following 5 days exceeding this threshold:In total, we found that 24 reviews were created on just 5 days. This is an excessively high number of reviews submitted on these high volume days.
Warn Incentivized Reviews
On Oct 3, 2016, Amazon prohibited incentivized reviews, however we still test for them since there are still millions in our dataset.
46 of the 63 total reviews for this product admitted to receiving a free or discounted product in exchange for a review. This is an excessively large percentage of incentivized reviews which may indicate unnatural reviews.
Read more about our Incentivized Reviews test. Check out our study showing that Incentivized Reviewers are much more likely to leave a positive review.
Warn Brand Repeats
Brand Repeaters
32 of the 63 reviewers have reviewed other products for this brand. While this is more Brand Repeaters than we'd expect to see, the discrepancy in ratings between the Brand Repeaters and non-repeaters isn't significant enough to rule out the possibility of it being due to random chance.
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 4.4. 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
4.4 Category's Average Ease Score
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.
34 of the 63 total reviews for this product use substantial repetitive phrases between them. This is an excessively large percentage which may indicate unnatural reviews.
Warn Overlapping Review History
Reviewers of this product have ALSO reviewed the following products:
29% also reviewed:
Barbecue Cookbook: 140 Of The Best Ever Healthy... by Samantha Michaels
21% also reviewed:
Product Unavailable by
17% also reviewed:
Kids books: I Love to Eat Fruits and Vegetables... by Shelley Admont
17% also reviewed:
Jokes For Kids: Kids Jokes: 300 Funny Jokes For... by Jim Hogan
16% also reviewed:
Children's book: I LOVE TO KEEP MY ROOM CLEAN... by Shelley Admont
16% also reviewed:
Kids Animal Books - 17 Real Animal Photos With... by Selena Dale
34 of the 63 reviewers have substantial overlapping product review history. While this is more than we'd expect to see, it does not appear to have a significant impact on the overall rating.
Pass Unverified Purchases
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- 0%
- Unverified Purchases
0 of the 63 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.
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
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- 0%
- Have an overrepresented word count
We didn't find any review word count groups that had a statistically significant greater concentration than what we'd expect to see in this category.
Read more about our Word Count Comparison test.
Read more about our Word Count Comparison test.
Pass Reviewer Participation
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- 0%
- From reviewers with an overrepresented participation
We didn't find any participation groups that had a statistically significant greater concentration than what we'd expect to see in this category.
Read more about our Reviewer Participation test.
Read more about our Reviewer Participation test.