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This report was last updated 12/1/2018.
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Report Info:
Note: We only analyze "reviews" and ignore one-tap "ratings".
Report Card
Pass Overall Grade
FAIL Suspicious Reviewers
FAIL Word Count Comparison
WARN Deleted Reviews
WARN Rating Trend
WARN Brand Repeats
WARN Reviewer Participation
PASS Unverified Purchases
PASS Phrase Repetition
PASS Overlapping Review History
PASS Reviewer Ease
PASS Incentivized Reviews
Most Trusted Reviews
The markup on these is pretty high but it's nice ... [Go to full review]
Feb 15, 2013
100%
TRUST
TRUST
- Verified Purchaser
- Take-Back Reviewer (1 deleted Review; avg. rating: 5.0)
- Critical Reviewer (avg. rating: 4.0)
Least Trusted Reviews
I feel that this flavor is the best tasting coffee ... [Go to full review]
Apr 12, 2013
35%
TRUST
TRUST
- Verified Purchaser
- Created on a high volume day
- Overrepresented word count (23 words)
- Take-Back Reviewer (1 deleted Review; avg. rating: 4.0)
- Brand Repeater (3 of 9 reviews for this brand; avg rating: 4.3)
- Overlapping Review History: reviewed 1 of 9 top products
- Overrepresented Participation (posted 9 Reviews)
- Critical Reviewer (avg. rating: 4.1)
Analysis Details
Fail Suspicious Reviewers
Take-Back Reviewers
1,154 of the 6,460 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 Word Count Comparison
-
- 29%
- 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 1,868 reviews (or 29%) are within an overrepresented word count group. These reviews have rated this product an average of 4.6, while all other reviews have rated this product an average of 4.4. 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 Deleted Reviews
We discovered a total of 4 deleted Reviews for this product, with an average rating of 4. 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.
Warn Rating Trend
-
- 14%
- Created over 89 days
We counted 6,460 reviews for this product over the span of 3,197 days, an average of 2.0 reviews per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 8 or fewer reviews on any given day.
However, we see the following 89 days exceeding this threshold:In total, we found that 906 reviews were created on just 89 days. Although any days with a larger number of reviews than expected is suspicious, the discrepancy in ratings from reviews created on these high volume days and reviews created on other days isn't significant enough to rule out the possibility of it being due to random chance.
Warn Brand Repeats
Brand Repeaters
1,698 of the 6,460 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.
Warn Reviewer Participation
-
- 31%
- 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 2008 reviewers (or 31%) are within an overrepresented participation group. While this is more reviews from overrepresented participation groups than we'd expect to see, these reviews do not appear to have a significant impact on the overall rating.
Pass Unverified Purchases
271 of the 6,460 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 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:
288 reviews
(4.3/5)
(4.3/5)
352 of the 6,460 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.
Pass Overlapping Review History
Reviewers of this product have ALSO reviewed the following products:
2% also reviewed:
Keurig, The Original Donut Shop, Medium Roast,... by Keurig
2% also reviewed:
Grove Square Hot Cocoa, Dark Chocolate, 24 Single... by Bay Valley Foods, LLC
2% also reviewed:
Twinings K-Cup Tea, Christmas, 12 Count(Packaging... by Twinings
2% also reviewed:
Grove Square Cappuccino, Caramel, 24 Single Serve... by Grove Square
2% also reviewed:
Brooklyn Beans Single-cup Coffee for Keurig K-Cup... by Brooklyn Beans
1% also reviewed:
Grove Square Cappuccino, French Vanilla, 24 Count... by Grove Square Cappuccino
1,226 of the 6,460 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
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 4.3. While this discrepancy is rather large, it is not quite large enough to rule out the possibility of it being due random chance.
4.4 Product's Average Ease Score
4.3 Category's Average Ease Score
Read more about our Reviewer Ease 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.
1 of the 6,460 total reviews for this product admitted to receiving a free or discounted product in exchange for a review. 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 Incentivized Reviews test. Check out our study showing that Incentivized Reviewers are much more likely to leave a positive review.