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The Complete Novels of Jane Austen (Knickerbocker Classics)
More product info From Jane Austen

Amazon Reviews for  The Complete Novels of Jane Austen (Knickerbocker Classics)
Rating:
5,503 Ratings
594 Reviews
("Ratings" vs. "Reviews")
19% of potentially unnatural reviews removed (why?)
Adjusted:
View/Edit Adjustment
Jump to Report Card
Report Info:
Last Updated: Jul 13, 2018
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Show Report History
Note: While Amazon.com claims 5,503 Ratings, we counted 594 Reviews available on their site.
Note: We only analyze "reviews" and ignore one-tap "ratings".

Top products in Classics with authentic reviews:


Report Card

Pass Overall Grade
FAIL Suspicious Reviewers
FAIL Reviewer Participation
WARN Deleted Reviews
WARN Brand Repeats
WARN Reviewer Ease
PASS Rating Trend
PASS Unverified Purchases
PASS Word Count Comparison
PASS Phrase Repetition
PASS Overlapping Review History
PASS Incentivized Reviews

Most Trusted Reviews

Emma is not my favorite Austen. The age difference between ... [Go to full review]
Mar 12, 2018      
100% TRUST
  • Verified Purchaser
  • Critical Reviewer (avg. rating: 3.7)


Least Trusted Reviews

Emma is delightful. [Go to full review]
Feb 18, 2016      
35% TRUST
  • Verified Purchaser
  • Take-Back Reviewer (1 deleted Review; avg. rating: 5.0)
  • Brand Repeater (2 of 8 reviews for this brand; avg rating: 5.0)
  • Overlapping Review History: reviewed 1 of 9 top products
  • Overrepresented Participation (posted 8 Reviews)
  • Easy Grader (avg. rating: 4.5)


Analysis Details

Fail Suspicious Reviewers

Take-Back Reviewers


97 of the 594 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.

from take-back reviewers

from reviewers without previously deleted reviews


4.4
4.3


Read more about our Suspicious Reviewers test.

Fail Reviewer Participation

  • 37%
  • 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 220 reviewers (or 37%) are within an overrepresented participation group. These reviews have rated this product an average of 4.4, while all other reviews have rated this product an average of 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.

From reviewers with an overrepresented participation

From reviewers with a properly represented participation


4.4
4.3


Read more about our Reviewer Participation test.

Warn Deleted Reviews

We discovered a total of 12 deleted Reviews for this product, with an average rating of 4.3. 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:
  1. 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.
  2. We have no information on reviews that were never published in the first place.
  3. 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.
Read more about our Deleted Reviews test.

4.3 average rating of deleted reviews

4.3


Show distribution of deleted reviews

Warn Brand Repeats

Brand Repeaters


165 of the 594 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.

from Brand Repeaters

from Non-Repeaters


4.5
4.2


Read more about our Brand Repeats test.

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 4.3, while the average ease score for reviewers in this category is 4.2. While this discrepancy is rather large, it is not quite large enough to rule out the possibility of it being due random chance.

4.3 Product's Average Ease Score

4.2 Category's Average Ease Score


4.3
4.2


Read more about our Reviewer Ease test.


Pass Rating Trend

  • 2%
  • Created over 3 days

We counted 594 reviews for this product over the span of 2,077 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 3 days exceeding this threshold:In total, we found that 12 reviews were created on just 3 days. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.

from reviews created on high volume days

from reviews created on normal volume days


4.4
4.3


Read more about our Rating Trend test.

Pass Unverified Purchases

31 of the 594 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.

from unverified purchasers

from verified purchases


4.2
4.3


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

  • 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 146 reviews (or 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.

from reviews with an overrepresented word count

from reviews with a properly represented word count


4.2
4.4


Read more about our Word Count Comparison test.

Pass Phrase Repetition
Reviews that contain one of these phrases are NOT necessarily devalued; read more about how this test works here.

Common Phrases in Reviews:
30 reviews
(4.3/5)
15 reviews
(4.5/5)
16 reviews
(4.2/5)
7 reviews
(4.9/5)
6 reviews
(3.8/5)
8 reviews
(4.4/5)
Show MoreShow Less
Common Phrases in Titles:
5 reviews
(4.6/5)


29 of the 594 total reviews for this product use substantial repetitive phrases between them. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.

from reviews with substantial repetitive phrases

from reviews without substantial repetitive phrases


4.5
4.3


Read more about our Phrase Repetition test.

Pass Overlapping Review History
Reviewers of this product have ALSO reviewed the following products:

15% also reviewed:
The Hobbit by J. R. R. Tolkien

14% also reviewed:
Julius Caesar by William Shakespeare

9% also reviewed:
Dracula by Bram Stoker

7% also reviewed:
The Invisible Man by H.G. Wells



148 of the 594 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.

from reviewers with substantial overlapping history

from reviewers without a substantial overlapping history


4.3
4.3


Read more about our Overlapping Review History test.

Pass Incentivized Reviews
On Oct 3, 2016, Amazon prohibited incentivized reviews, however we still test for them since there are still millions in our dataset.

  • 0%
  • Admitted to receiving an incentive
We didn't detect any reviews that used language indicating they were incentivized.
Read more about our Incentivized Reviews test. Check out our study showing that Incentivized Reviewers are much more likely to leave a positive review.