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JW Library
More product info From Jehovah's Witnesses

Amazon Reviews for  JW Library
Rating:
6,299 Ratings
6,299 Reviews
("Ratings" vs. "Reviews")
61% of potentially unnatural reviews removed (why?)
Adjusted:
View/Edit Adjustment
Jump to Report Card

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Report Card

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

Most Trusted Reviews

I like this application, it have multiple translation of the ... [Go to full review]
Mar 25, 2019      
100% TRUST
  • Verified Purchaser
  • Take-Back Reviewer (2 deleted Reviews; avg. rating: 2.0)
  • Critical Reviewer (avg. rating: 3.8)


Least Trusted Reviews

Excellent reference for serious Bible students! This resource will be ... [Go to full review]
Dec 13, 2013      
0% TRUST
  • Verified Purchaser
  • Created on a high volume day
  • One-Hit Wonder
  • Overrepresented Participation (posted 1 Review)
  • Easy Grader (avg. rating: 5.0)


Analysis Details

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


4.5
4.3


Read more about our Reviewer Ease test.


Warn Deleted Reviews

We discovered a total of 149 deleted Reviews for this product, with an average rating of 4.8. 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.

4.8 average rating of deleted reviews

4.8


Show distribution of deleted reviews

Warn Rating Trend

  • 13%
  • Created over 61 days

We counted 6,299 reviews for this product over the span of 2,415 days, an average of 2.6 reviews per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 9 or fewer reviews on any given day.

However, we see the following 61 days exceeding this threshold:In total, we found that 816 reviews were created on just 61 days. Although any days with a larger number of reviews than expected is suspicious, these reviews do not appear to have a significant impact on the overall rating.

from reviews created on high volume days

from reviews created on normal volume days


4.9
4.9


Read more about our Rating Trend test.

Warn Suspicious Reviewers

One-Hit Wonders


872 of the 6,299 reviewers have only reviewed this product. While this is more One-Hit Wonders than we'd expect to see, it does not appear to have a significant impact on the overall rating.

from one-hit wonders

from reviewers with more than one review


4.9
4.9


Read more about our Suspicious Reviewers test.

Warn Reviewer Participation

  • 75%
  • From reviewers with an overrepresented participation

We see the following 2 participation groups with a statistically significant greater concentration than what we'd expect to see:In total, we found that 4725 reviewers (or 75%) 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


4.9
4.9


Read more about our Reviewer Participation test.

Pass Unverified Purchases

227 of the 6,299 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


4.4
4.9


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

  • 30%
  • 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 1,870 reviews (or 30%) 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


5.0
4.9


Read more about our Word Count Comparison test.

Pass Phrase Repetition
  • 0%
  • Used substantial repetitive phrases
0 of the 6,299 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.
Read more about our Phrase Repetition test.

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

5% also reviewed:
Fire by Amazon

1% also reviewed:
Candy Crush Saga by King

1% also reviewed:
Fire HD 8 Tablet with Alexa by Amazon

1% also reviewed:
Moon+ Reader by Moon+ Reader

1% also reviewed:
Amazon Store Card by Synchrony Bank

1% also reviewed:
Pinterest by Pinterest, Inc

Does not include products
from the same brand


814 of the 6,299 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


4.9
4.9


Read more about our Overlapping Review History test.

Pass Brand Repeats

Brand Repeaters


465 of the 6,299 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


4.9
4.9


Read more about our Brand Repeats 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.