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A Bug Collection DVD Box Set: Volume 3
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From Lucado, Max
This report was last updated 5/12/2017.
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Last Updated: May 12, 2017
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Note: We only analyze "reviews" and ignore one-tap "ratings".
Top products in Movies with authentic reviews:
Report Card
Fail Overall Grade
FAIL Unverified Purchases
FAIL Suspicious Reviewers
FAIL Reviewer Ease
FAIL Phrase Repetition
WARN Rating Trend
WARN Incentivized Reviews
WARN Reviewer Participation
PASS Word Count Comparison
PASS Overlapping Review History
PASS Brand Repeats
PASS Deleted Reviews
Most Trusted Reviews
I bought 2 of these. One I use in the ... [Go to full review]
Dec 19, 2013
95%
TRUST
TRUST
- Verified Purchaser
- Easy Grader (avg. rating: 4.8)
Least Trusted Reviews
I have two girls- ages 5 and 2We love checking ... [Go to full review]
Apr 10, 2011
0%
TRUST
TRUST
- Unverified Purchaser
- Contains repetitive phrases (show)
- Never-Verified Reviewer
- Take-Back Reviewer (1 deleted Review; avg. rating: 5.0)
- Brand Repeater (2 of 110 reviews for this brand; avg rating: 5.0)
- Overlapping Review History: reviewed 1 of 9 top products
- Overrepresented Participation (posted 110 Reviews)
- Easy Grader (avg. rating: 4.6)
Analysis Details
Fail Unverified Purchases
29 of the 42 total reviews for this product are unverified purchases. The unverified purchasers have rated this product an average of 4.2 while the verified purchasers have rated this product an average of 5.0. 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.
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.
Fail Suspicious Reviewers
Never-Verified Reviewers
17 of the 42 reviewers have never written a verified purchase review. The Never-Verified Reviewers have rated this product an average of 4.0 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.
Take-Back Reviewers
7 of the 42 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.
Fail 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 4.3. 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.
4.5 Product's Average Ease Score
4.3 Category's Average Ease Score
Read more about our Reviewer Ease test.
Fail Phrase Repetition
Reviews that contain one of these phrases are NOT necessarily devalued; read more about how this test works here.
33 of the 42 total reviews for this product use substantial repetitive phrases between them. These reviewers have rated this product an average of 4.3 while reviews without substantial repetitive phrases rated this product an average of 5.0. 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.
Warn Rating Trend
-
- 14%
- Created over 3 days
We counted 42 reviews for this product over the span of 2,215 days, an average of 0.0 reviews per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 1 or fewer reviews on any given day.
However, we see the following 3 days exceeding this threshold:In total, we found that 6 reviews were created on just 3 days. Although any days with a larger number of reviews than expected is suspicious, the discrepancy in ratings from reviews created on these high volume days and reviews created on other days isn't significant enough to rule out the possibility of it being due to random chance.
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.
3 of the 42 total reviews for this product admitted to receiving a free or discounted product in exchange for a review. This is more than we would expect see; the presences of at least one incentivized review indicates that there may be more, since not all reviewers will disclose that they had received an incentive to post a review.
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 Reviewer Participation
-
- 76%
- From reviewers with an overrepresented participation
We see the following 1 participation group with a statistically significant greater concentration than what we'd expect to see:In total, we found that 32 reviewers (or 76%) are within an overrepresented participation group. This is an excessively high number of reviewers in overrepresented participation groups.
Pass Word Count Comparison
-
- 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 Overlapping Review History
Reviewers of this product have ALSO reviewed the following products:
14% also reviewed:
The Boy Who Changed the World by Thomas Nelson
12% also reviewed:
Max On Life: Answers and Insights to Your Most... by Max Lucado
10% also reviewed:
The Butterfly Effect: How Your Life Matters by Simple Truths
10% also reviewed:
Money Secrets of the Amish: Finding True... by Craker, Lorilee
7% also reviewed:
Really Woolly Bible Stories by Thomas Nelson
7% also reviewed:
Just Add Watercolor: Inspiration and Painting... by Helen Birch
7% also reviewed:
The Time Garden: A Magical Journey and Coloring... by Random House
7% also reviewed:
Unplanned by Abby Johnson
Does not include products
from the same brand
from the same brand
16 of the 42 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.
Pass Brand Repeats
Brand Repeaters
1 of the 42 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.
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:
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.