Dark NLP: The Essential Guide for Beginners on How to Use Neuro Linguistic Programming to Influence...
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From Clark, Daniel
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Report Card
Most Trusted Reviews
TRUST
- Unverified Purchaser
- Created on a high volume day
- Take-Back Reviewer (5 deleted Reviews; avg. rating: 4.8)
- Easy Grader (avg. rating: 4.4)
Least Trusted Reviews
TRUST
- Verified Purchaser
- Created on a high volume day
- Contains repetitive phrases (show)
- Take-Back Reviewer (4 deleted Reviews; avg. rating: 5.0)
- Overlapping Review History: reviewed 5 of 9 top products
- Easy Grader (avg. rating: 5.0)
Analysis Details
We discovered a total of 72 deleted Reviews for this product, with an average rating of 4.9. 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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- 84%
- Created over 3 days
We counted 25 reviews for this product over the span of 191 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 3 days exceeding this threshold:In total, we found that 21 reviews were created on just 3 days. This is an excessively high number of reviews submitted on these high volume days.
Take-Back Reviewers
8 of the 25 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, the discrepancy in ratings between the Take-Back Reviewers and reviewers who don't have any deleted reviews in their history isn't significant enough to rule out the possibility of it being due to random chance.
4.8 Product's Average Ease Score
4.4 Category's Average Ease Score
Read more about our Reviewer Ease test.
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- 36%
- 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 9 reviews (or 36%) are within an overrepresented word count group. While this is more reviews from overrepresented word count groups than we'd expect to see, the discrepancy in ratings between reviews with overrepresented word groups and all other reviews isn’t significant enough to rule out the possibility of it being due to random chance.
(5.0/5)
(5.0/5)
(5.0/5)
(5.0/5)
(4.5/5)
(5.0/5)
(5.0/5)
(5.0/5)
(5.0/5)
(5.0/5)
9 of the 25 total reviews for this product use substantial repetitive phrases between them. This is an excessively large percentage which may indicate unnatural reviews.
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19 of the 25 reviewers have substantial overlapping product review history. This is an excessively large percentage which may indicate unnatural reviews.
3 of the 25 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%
- From reviewers with an overrepresented participation
Read more about our Reviewer Participation test.
Brand Repeaters
1 of the 25 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.
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- 0%
- 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.