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Ball 67000 Quart Wide Mouth Mason Jars, Silver Lids pack of 12 (32 OZ)
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From Ball
This report was last updated 5/23/2017.
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Report Info:
Last Updated: May 23, 2017
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Note: We only analyze "reviews" and ignore one-tap "ratings".
Top products in Jars with authentic reviews:
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Pass Overall Grade
FAIL 
Suspicious Reviewers
Suspicious ReviewersFAIL Overlapping Review History
Overlapping Review HistoryWARN Rating Trend
Rating TrendWARN Reviewer Participation
Reviewer ParticipationPASS Unverified Purchases
Unverified PurchasesPASS Word Count Comparison
Word Count ComparisonPASS Phrase Repetition
Phrase RepetitionPASS Reviewer Ease
Reviewer EasePASS Brand Repeats
Brand RepeatsPASS Incentivized Reviews
Incentivized ReviewsPASS Deleted Reviews
Deleted Reviews
Most Trusted Reviews
My daughters and I used these cute little jars to ... [Go to full review]
May 24, 2016
70%
TRUST
TRUST
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Verified Purchaser -
Created on a high volume day
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Take-Back Reviewer (369 deleted Reviews; avg. rating: 4.7) -
Overlapping Review History: reviewed 1 of 9 top products -
Easy Grader (avg. rating: 4.6)
Least Trusted Reviews
We couldn't find any low-quality reviews
Analysis Details
Fail Suspicious Reviewers
Suspicious Reviewers
One-Hit Wonders
265 of the 6,941 reviewers have only reviewed this product. The One-Hit Wonders have rated this product an average of 4.0 while the reviewers who have posted more than one review have 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.
Take-Back Reviewers
1,189 of the 6,941 reviewers have had at least one of their past reviews for another product deleted. The Take-Back Reviewers have rated this product an average of 4.8 while the reviewers who don't have any deleted reviews in their history have rated this product an average of 4.6. 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 Overlapping Review History
Overlapping Review History
Reviewers of this product have ALSO reviewed the following products:
2% also reviewed:
FoodSaver Regular-Mouth Jar Sealer by FoodSaver
1% also reviewed:
Cards Against Humanity by Cards Against Humanity LLC.
1% also reviewed:
Fifty Shades Of Grey (Turtleback School & Library... by E. L. James
1% also reviewed:
Instant Pot IP-DUO60 7-in-1 Multi-Functional... by Instant Pot
1% also reviewed:
Amazon Echo by Amazon
1% also reviewed:
Amazon Basics AA High-Performance Alkaline... by Amazon Basics
Does not include products
from the same brand
from the same brand
693 of the 6,941 reviewers have substantial overlapping product review history. These reviewers have rated this product an average of 4.8 while the reviewers who have a more unique product review history rated this product an average of 4.6. 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 Rating Trend
Rating Trend
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- 26%
- Created over 184 days
We counted 6,941 reviews for this product over the span of 4,152 days, an average of 1.7 reviews per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 7 or fewer reviews on any given day.
However, we see the following 184 days exceeding this threshold:In total, we found that 1,781 reviews were created on just 184 days. This is an excessively high number of reviews submitted on these high volume days.
Warn Reviewer Participation
Reviewer Participation
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- 66%
- 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 4587 reviewers (or 66%) are within an overrepresented participation group. This is an excessively high number of reviewers in overrepresented participation groups.
Pass Unverified Purchases
Unverified Purchases
492 of the 6,941 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 Word Count Comparison
Word Count Comparison
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- 25%
- 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 1,743 reviews (or 25%) 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.
Pass 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:
225 reviews
52 of the 6,941 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 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 Brand Repeats
Brand Repeats
Brand Repeaters
192 of the 6,941 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.
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.
2 of the 6,941 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.
Pass Deleted Reviews
Deleted Reviews
- 0
- Reviews have been deleted
We have not discovered any deleted reviews for this product.
There are a few limitations to keep in mind regarding the Deleted Reviews test:
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.