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Amazon.com > Tools & Home Improvement > Measuring & Layout Tools > Laser Levels & Accessories > Line Lasers
0.16 to 131ft (40m) Laser Distance Meter, GoerTek Portable Laser Distance Measuring Device Tool...
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From GoerTek
This report was last updated 7/13/2018.
Refresh the report to view the most up-to-date data available:
Refresh the report to view the most up-to-date data available:
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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 Reviewer Participation
WARN Rating Trend
WARN Incentivized Reviews
PASS Unverified Purchases
PASS Word Count Comparison
PASS Phrase Repetition
PASS Overlapping Review History
PASS Reviewer Ease
PASS Brand Repeats
PASS Deleted Reviews
Most Trusted Reviews
Awesome measuring tool we use daily. [Go to full review]
Nov 1, 2017
100%
TRUST
TRUST
- Verified Purchaser
- Take-Back Reviewer (4 deleted Reviews; avg. rating: 5.0)
- Easy Grader (avg. rating: 4.8)
Least Trusted Reviews
Great Product [Go to full review]
Jan 24, 2018
45%
TRUST
TRUST
- Verified Purchaser
- Take-Back Reviewer (5 deleted Reviews; avg. rating: 4.8)
- Overlapping Review History: reviewed 1 of 9 top products
- Overrepresented Participation (posted 46 Reviews)
- Easy Grader (avg. rating: 4.9)
Analysis Details
Fail Suspicious Reviewers
Take-Back Reviewers
30 of the 139 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 Reviewer Participation
-
- 27%
- 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 38 reviewers (or 27%) are within an overrepresented participation group. These reviews have rated this product an average of 4.8, 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 Rating Trend
-
- 6%
- Created over 2 days
We counted 139 reviews for this product over the span of 792 days, an average of 0.2 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 2 days exceeding this threshold:In total, we found that 9 reviews were created on just 2 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.
Warn Incentivized Reviews
On Oct 3, 2016, Amazon prohibited incentivized reviews, however we still test for them since there are still millions in our dataset.
8 of the 139 total reviews for this product admitted to receiving a free or discounted product in exchange for a review. While we could not find a statistically significant difference between the average rating of incentivized reviews and non-incentivized reviews, the presences of at least one incentivized review indicates that there may be more, since not all reviewers will disclose that they had received an incentive to post a review.
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 Unverified Purchases
23 of the 139 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
-
- 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 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:
Show MoreShow Less
5 reviews
(4.2/5)
(4.2/5)
3 reviews
(5.0/5)
(5.0/5)
2 reviews
(5.0/5)
(5.0/5)
2 reviews
(5.0/5)
(5.0/5)
2 reviews
(4.0/5)
(4.0/5)
2 reviews
(4.5/5)
(4.5/5)
2 reviews
(5.0/5)
(5.0/5)
2 reviews
(3.5/5)
(3.5/5)
2 reviews
(4.5/5)
(4.5/5)
Common Phrases in Titles:
3 reviews
(5.0/5)
(5.0/5)
2 reviews
(5.0/5)
(5.0/5)
14 of the 139 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:
4% also reviewed:
Echo Dot (2nd Generation) - Smart speaker with... by Amazon
3% also reviewed:
YouTube by youtube.com
3% also reviewed:
SanDisk Ultra 32GB UHS-I/Class 10 Micro SDHC... by SanDisk
2% also reviewed:
TP-Link 8 Port Gigabit Ethernet Network Switch |... by TP-Link
2% also reviewed:
Roku 3500R Streaming Stick (HDMI) by Roku
2% also reviewed:
TCL 32S3800 32-Inch 720p 60Hz Smart LED TV (Roku... by
2% also reviewed:
Roamio OTA VOX 1TB DVR - With no monthly service... by TiVo
Does not include products
from the same brand
from the same brand
20 of the 139 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 4.3, while the average ease score for reviewers in this category is 4.2. While this discrepancy is rather large, it is not quite large enough to rule out the possibility of it being due random chance.
4.3 Product's Average Ease Score
4.2 Category's Average Ease Score
Read more about our Reviewer Ease test.
Pass Brand Repeats
Brand Repeaters
2 of the 139 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 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.