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Surprised by Oxford: A Memoir
More product info From Carolyn Weber

Amazon Reviews for  Surprised by Oxford: A Memoir
Rating:
264 Ratings
264 Reviews
("Ratings" vs. "Reviews")
48% of potentially unnatural reviews removed (why?)
Adjusted:
View/Edit Adjustment
Jump to Report Card

Report Card

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

Most Trusted Reviews

Nov 15, 2016      
100% TRUST
  • Verified Purchaser
  • Take-Back Reviewer (5 deleted Reviews; avg. rating: 4.6)
  • Critical Reviewer (avg. rating: 4.4)


Least Trusted Reviews

I really love memoirs and I therefore had very high ... [Go to full review]
Sep 19, 2011      
0% TRUST
  • Unverified Purchaser
  • Created on a high volume day
  • Admitted to receiving an incentive
  • Contains repetitive phrases (show)
  • Never-Verified Reviewer
  • Take-Back Reviewer (1 deleted Review; avg. rating: 2.0)
  • Overlapping Review History: reviewed 1 of 9 top products
  • Overrepresented Participation (posted 11 Reviews)
  • Critical Reviewer (avg. rating: 4.1)


Analysis Details

Warn Deleted Reviews

We discovered a total of 1 deleted Review for this product, with an average rating of 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.

3.0 average rating of deleted reviews

3.0


Show distribution of deleted reviews

Warn Rating Trend

  • 16%
  • Created over 12 days

We counted 264 reviews for this product over the span of 2,213 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 12 days exceeding this threshold:In total, we found that 41 reviews were created on just 12 days. This is an excessively high number of reviews submitted on these high volume days.

from reviews created on high volume days

from reviews created on normal volume days


4.3
4.5


Read more about our Rating Trend test.

Warn Unverified Purchases

157 of the 264 total reviews for this product are unverified purchases. While this is a higher percentage of unverified purchases than we'd expect to see, it does not appear to have a significant impact on the overall rating.

from unverified purchasers

from verified purchases


4.3
4.6


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.

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.


19 of the 264 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.

from incentivized reviews

from non-incentivized reviews


4.0
4.5


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 Suspicious Reviewers

Never-Verified Reviewers


57 of the 264 reviewers have never written a verified purchase review. While this is more Never-Verified Reviewers than we'd expect to see, it does not appear to have a significant impact on the overall rating.

from never-verified reviewers

from reviewers with at least one verified purchase review


4.3
4.5


Take-Back Reviewers


17 of the 264 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.

from take-back reviewers

from reviewers without previously deleted reviews


4.7
4.4


Read more about our Suspicious Reviewers test.

Warn Phrase Repetition


157 of the 264 total reviews for this product use substantial repetitive phrases between them. This is an excessively large percentage which may indicate unnatural reviews.

from reviews with substantial repetitive phrases

from reviews without substantial repetitive phrases


4.4
4.6


Read more about our Phrase Repetition test.

Warn Reviewer Participation

  • 83%
  • From reviewers with an overrepresented participation

We see the following 3 participation groups with a statistically significant greater concentration than what we'd expect to see:In total, we found that 218 reviewers (or 83%) are within an overrepresented participation group. This is an excessively high number of reviewers in overrepresented participation groups.

From reviewers with an overrepresented participation

From reviewers with a properly represented participation


4.4
4.5


Read more about our Reviewer Participation test.

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.

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

Does not include products
from the same brand


72 of the 264 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


4.4
4.5


Read more about our Overlapping Review History test.

Pass 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 4.2, while the average ease score for reviewers in this category is 4.4.

4.2 Product's Average Ease Score

4.4 Category's Average Ease Score


4.2
4.4


Read more about our Reviewer Ease test.


Pass Brand Repeats

Brand Repeaters


2 of the 264 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.

from Brand Repeaters

from Non-Repeaters


5.0
4.5


Read more about our Brand Repeats test.