Notice: There are more than 10,000 reviews for this product. Unfortunately Amazon won't actually show us (or anyone) more than 10,000 reviews. We'll do our best, but this report might not be quite right since Amazon has blocked access to some of the data.
Bosch: Behind the Scenes
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Note: While Amazon.com claims 102,713 reviews, we counted 5,000 available on their site.
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Fail Overall Grade
FAIL 
Deleted Reviews
Deleted ReviewsFAIL Rating Trend
Rating TrendFAIL Brand Repeats
Brand RepeatsFAIL Suspicious Reviewers
Suspicious ReviewersFAIL Phrase Repetition
Phrase RepetitionWARN Word Count Comparison
Word Count ComparisonWARN Reviewer Participation
Reviewer ParticipationPASS Unverified Purchases
Unverified PurchasesPASS Overlapping Review History
Overlapping Review HistoryPASS Reviewer Ease
Reviewer EasePASS Incentivized Reviews
Incentivized Reviews
Most Trusted Reviews
Have read all the Connelly books and love this series. [Go to full review]
Dec 24, 2016
95%
TRUST
TRUST
-
Verified Purchaser -
Overrepresented word count (10 words)
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Easy Grader (avg. rating: 4.6)
Critical Reviewer (avg. rating: 4.1)
Least Trusted Reviews
I've read all the Bosch books. Your series is excellent! [Go to full review]
Dec 21, 2016
0%
TRUST
TRUST
-
Verified Purchaser
-
Created on a high volume day -
Overrepresented word count (10 words)
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Take-Back Reviewer (1 deleted review; avg. rating: 5.0) -
Brand Monogamist (2 of 2 reviews for this brand; avg rating: 5.0) -
Overrepresented Participation (posted 2 reviews) -
Easy Grader (avg. rating: 5.0)
Analysis Details
Fail Deleted Reviews
Deleted Reviews
We discovered a total of 334 deleted reviews for this product, with an average rating of 4.6. 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.
4.6 average rating of deleted reviews
Fail Rating Trend
Rating Trend
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- 84%
- Created over 59 days
We counted 5,000 reviews for this product over the span of 793 days, an average of 6.3 reviews per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 16 or fewer reviews on any given day.
However, we see the following 59 days exceeding this threshold:In total, we found that 4,205 reviews were created on just 59 days. The reviews on these high volume days have rated this product an average of 4.7 while reviews from other days have rated this product an average of 4.5. 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.
Fail Brand Repeats
Brand Repeats
Brand Loyalists
270 of the 5,000 reviewers have reviewed multiple products but half or more of their reviews are for this brand. This is an excessively large percentage of Brand Loyalists which may indicate unnatural reviews.
Fail Suspicious Reviewers
Suspicious Reviewers
One-Hit Wonders
567 of the 5,000 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.
Take-Back Reviewers
566 of the 5,000 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 Phrase Repetition
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:
74 reviews
(5.0/5)
(5.0/5)
59 of the 5,000 total reviews for this product use substantial repetitive phrases between them. These reviewers have rated this product an average of 5.0 while reviews without substantial repetitive phrases rated this product an average of 4.7. 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 Word Count Comparison
Word Count Comparison
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- 35%
- 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 1,736 reviews (or 35%) 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.
Warn Reviewer Participation
Reviewer Participation
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- 74%
- 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 3707 reviewers (or 74%) are within an overrepresented participation group. This is an excessively high number of reviewers in overrepresented participation groups.
Pass Unverified Purchases
Unverified Purchases
418 of the 5,000 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.
Pass Overlapping Review History
Overlapping Review History
Reviewers of this product have ALSO reviewed the following products:
13% also reviewed:
Goliath - Season 1 by Billy Bob Thornton
7% also reviewed:
Sneaky Pete - Season 1 by Giovanni Ribisi
5% also reviewed:
The Man In The High Castle - Season 1 [Ultra HD] by Alexa Davalos
3% also reviewed:
The Man in the High Castle Season 2 - Official... by Alexa Davalos
2% also reviewed:
Bosch Season 2 [Ultra HD] by Pieter Jan Brugge
2% also reviewed:
Bosch Season 3 by Titus Welliver
2% also reviewed:
The Tie That Binds by Camryn Manheim
2% also reviewed:
The Night Manager, Season 1 by Hugh Laurie
Does not include products
from the same brand
from the same brand
1,446 of the 5,000 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 Reviewer Ease
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 4.4, while the average ease score for reviewers in this category is 4.4.
4.4 Product's Average Ease Score
4.4 Category's Average Ease Score
Read more about our Reviewer Ease test.
Pass Incentivized Reviews
Incentivized Reviews
On Oct 3, 2016, Amazon prohibited incentivized reviews, however we still test for them since there are still millions in our dataset.
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- 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, or check out our study showing that Incentivized Reviewers are much more likely to leave a positive review.
Read more about our Incentivized Reviews test, or check out our study showing that Incentivized Reviewers are much more likely to leave a positive review.