Star Trek: Discovery - Staffel 2 [Blu-ray]
More product info
From Martin-Green, Sonequa
Refresh the report to view the most up-to-date data available:
Note: We only analyze "reviews" and ignore one-tap "ratings".
Report Card
Most Trusted Reviews
TRUST
- Verified Purchaser
- Take-Back Reviewer (1 deleted Review; avg. rating: 5.0)
- Critical Reviewer (avg. rating: 3.0)
Least Trusted Reviews
TRUST
- Unverified Purchaser
- Created on a high volume day
- Contains repetitive phrases (show)
Reviewer data not yet gathered.
Analysis Details
68 of the 178 total reviews for this product are unverified purchases. The unverified purchasers have rated this product an average of 2.9 while the verified purchasers have rated this product an average of 4.2. 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.
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.
Never-Verified Reviewers
6 of the 178 reviewers have never written a verified purchase review. The Never-Verified Reviewers have rated this product an average of 2.0 while the reviewers who have written at least one verified purchase review rated this product an average of 3.8. 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.
Take-Back Reviewers
57 of the 178 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, it does not appear to have a significant impact on the overall rating.
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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 2 groups with a statistically significant greater concentration than what we'd expect to see:In total, we found that 62 reviews (or 35%) are within an overrepresented word count group. These reviews have rated this product an average of 4.7, while all other reviews have rated this product an average of 3.2. 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.
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- 12%
- Created over 5 days
We counted 178 reviews for this product over the span of 503 days, an average of 0.4 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 5 days exceeding this threshold:In total, we found that 22 reviews were created on just 5 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.
(5.0/5)
(5.0/5)
(3.6/5)
(3.4/5)
(4.2/5)
(5.0/5)
(5.0/5)
(3.5/5)
(3.1/5)
(5.0/5)
87 of the 178 total reviews for this product use substantial repetitive phrases between them. This is an excessively large percentage which may indicate unnatural reviews.
36% also reviewed:
Star Trek: Discovery - Staffel 1 by Sonequa Martin-Green
16% also reviewed:
STAR TREK: Picard - Staffel 1 [Blu-ray] by Stewart, Patrick
10% also reviewed:
Star Wars: Das Erwachen der Macht by Harrison Ford
10% also reviewed:
Star Wars: Die letzten Jedi by Mark Hamill
10% also reviewed:
Marvel Studios' Captain Marvel (inkl.... by Brie Larson
10% also reviewed:
Star Trek Beyond inkl. Spaceships [Blu-ray]... by Universal
9% also reviewed:
Star Trek 12 - Into Darkness (+ Blu-ray) (+ DVD)... by Paramount Pictures Germany GmbH
8% also reviewed:
X-Men: Dark Phoenix (4K Ultra HD + 2D Blu-ray)... by Sophie Turner
8% also reviewed:
Terminator - Dark Fate by Linda Hamilton
104 of the 178 reviewers have substantial overlapping product review history. While this is more than we'd expect to see, it does not appear to have a significant impact on the overall rating.
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- 0%
- From reviewers with an overrepresented participation
Read more about our Reviewer Participation test.
4.0 Product's Average Ease Score
3.9 Category's Average Ease Score
Read more about our Reviewer Ease test.
Brand Repeaters
10 of the 178 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.
- 0
- Reviews have been deleted
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.