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Accutire MS-4021B Digital Tire Pressure Gauge
More product info
From Accutire
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Report Info:
Note: While Amazon.com claims 4,991 Ratings, we counted 4,010 Reviews available on their site.
Note: We only analyze "reviews" and ignore one-tap "ratings".
Note: We only analyze "reviews" and ignore one-tap "ratings".
Top products in Tire Accessories & Parts with authentic reviews:
Report Card
Pass Overall Grade
FAIL 
Rating Trend
Rating TrendFAIL Suspicious Reviewers
Suspicious ReviewersFAIL Phrase Repetition
Phrase RepetitionFAIL Overlapping Review History
Overlapping Review HistoryWARN Deleted Reviews
Deleted ReviewsPASS Unverified Purchases
Unverified PurchasesPASS Word Count Comparison
Word Count ComparisonPASS Reviewer Participation
Reviewer ParticipationPASS Reviewer Ease
Reviewer EasePASS Brand Repeats
Brand RepeatsPASS Incentivized Reviews
Incentivized Reviews
Most Trusted Reviews
Item doesn’t work and seller doesn’t offer returns. Stay away. [Go to full review]
Oct 18, 2020
100%
TRUST
TRUST
-
Verified Purchaser
-
Critical Reviewer (avg. rating: 1.9)
Least Trusted Reviews
The tip doesn't seal well, so everytime you want to ... [Go to full review]
Oct 2, 2013
0%
TRUST
TRUST
-
Unverified Purchaser -
Created on a high volume day
-
One-Hit Wonder -
Never-Verified Reviewer -
Critical Reviewer (avg. rating: 1.0)
show)
Analysis Details
Fail Rating Trend
Rating Trend
-
- 5%
- Created over 33 days
We counted 4,010 reviews for this product over the span of 5,512 days, an average of 0.7 reviews per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 5 or fewer reviews on any given day.
However, we see the following 33 days exceeding this threshold:In total, we found that 214 reviews were created on just 33 days. The reviews on these high volume days have rated this product an average of 4.5 while reviews from other days have rated this product an average of 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.
Fail Suspicious Reviewers
Suspicious Reviewers
One-Hit Wonders
130 of the 4,010 reviewers have only reviewed this product. The One-Hit Wonders have rated this product an average of 3.5 while the reviewers who have posted more than one review have rated this product an average of 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.
Never-Verified Reviewers
38 of the 4,010 reviewers have never written a verified purchase review. The Never-Verified Reviewers have rated this product an average of 3.3 while the reviewers who have written at least one verified purchase review rated this product an average of 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.
Take-Back Reviewers
2,111 of the 4,010 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 4.4 while the reviewers who don't have any deleted reviews in their history have rated this product an average of 4.1. 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 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:
55 reviews
(4.1/5)
(4.1/5)
60 reviews
(4.9/5)
(4.9/5)
45 reviews
(4.5/5)
(4.5/5)
120 of the 4,010 total reviews for this product use substantial repetitive phrases between them. These reviewers have rated this product an average of 4.8 while reviews without substantial repetitive phrases 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.
Fail Overlapping Review History
Overlapping Review History
Reviewers of this product have ALSO reviewed the following products:
2% also reviewed:
Certified Refurbished Fire TV Stick with Alexa... by Amazon Renewed
2% also reviewed:
Echo Dot (2nd Generation) - Smart speaker with... by Amazon
2% also reviewed:
Amazon eGift Card - We Appreciate You- Hex pattern by Amazon
1% also reviewed:
Garmin Portable Friction Mount - Frustration Free... by Garmin
1% also reviewed:
Battery Tender Junior Charger and Maintainer:... by Battery Tender
1% also reviewed:
Chapter Seven: Lost Boys by Alex Zakrzewski
1% also reviewed:
TEKTON Digital Tire Gauge | 5941 by TEKTON
1% also reviewed:
Bosch ICON Wiper Blades 26A18A (Set of 2) Fits... by Bosch Automotive
Does not include products
from the same brand
from the same brand
462 of the 4,010 reviewers have substantial overlapping product review history. These reviewers have rated this product an average of 4.4 while the reviewers who have a more unique product review history 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.
Warn Deleted Reviews
Deleted Reviews
We discovered a total of 69 deleted Reviews for this product, with an average rating of 4.4. 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.
4.4 average rating of deleted reviews
Pass Unverified Purchases
Unverified Purchases
300 of the 4,010 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
-
- 0%
- Have an overrepresented word count
We didn't find any review word count groups that had a statistically significant greater concentration than what we'd expect to see in this category.
Read more about our Word Count Comparison test.
Read more about our Word Count Comparison test.
Pass Reviewer Participation
Reviewer Participation
-
- 0%
- From reviewers with an overrepresented participation
We didn't find any participation groups that had a statistically significant greater concentration than what we'd expect to see in this category.
Read more about our Reviewer Participation test.
Read more about our Reviewer Participation test.
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 4.2, while the average ease score for reviewers in this category is 4.3.
4.2 Product's Average Ease Score
4.3 Category's Average Ease Score
Read more about our Reviewer Ease test.
Pass Brand Repeats
Brand Repeats
Brand Repeaters
33 of the 4,010 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.
7 of the 4,010 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.