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300 LED Luci Solari Esterno,【Nuovo design nel 2020】Luce Solare con Sensore di Movimento,...
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From LITOM
This report was last updated 12/21/2020.
Refresh the report to view the most up-to-date data available:
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Report Info:
Note: While Amazon.it claims 2,711 Ratings, we counted 1,733 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".
Report Card
Fail Overall Grade
FAIL Suspicious Reviewers
FAIL Reviewer Ease
FAIL Word Count Comparison
FAIL Overlapping Review History
WARN Deleted Reviews
WARN Rating Trend
WARN Reviewer Participation
PASS Unverified Purchases
PASS Phrase Repetition
PASS Brand Repeats
PASS Incentivized Reviews
Most Trusted Reviews
Dopo 2 giorni di ricarica non accenna minimamente ad accendersi ... [Go to full review]
Dec 12, 2020
100%
TRUST
TRUST
- Verified Purchaser
Reviewer data not yet gathered.
Least Trusted Reviews
MOLTO BUONI [Go to full review]
Jan 2, 2019
0%
TRUST
TRUST
- Verified Purchaser
- Overrepresented word count (2 words)
- Take-Back Reviewer (1 deleted Review; avg. rating: 5.0)
- Overlapping Review History: reviewed 1 of 9 top products
- Easy Grader (avg. rating: 4.6)
Analysis Details
Fail Suspicious Reviewers
Take-Back Reviewers
112 of the 1,733 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 4.7 while the reviewers who don't have any deleted reviews in their history have rated this product an average of 4.5. 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 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. 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.
4.4 Product's Average Ease Score
4.3 Category's Average Ease Score
Read more about our Reviewer Ease test.
Fail Word Count Comparison
-
- 30%
- 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 527 reviews (or 30%) 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.
Fail Overlapping Review History
Reviewers of this product have ALSO reviewed the following products:
2% also reviewed:
Mpow Luci Solari Lampada Wireless ad Energia... by Mpow
2% also reviewed:
Samsung MB-MC32GA EVO Plus Scheda microSD da 32... by SAMSUNG
1% also reviewed:
Caffè Borbone Respresso, Miscela Blu - 100... by Caffè Borbone
1% also reviewed:
Nespresso Inissia Macchina per caffé espresso,... by Nespresso
1% also reviewed:
Fire TV Stick | Basic Edition - Versione... by Amazon
Does not include products
from the same brand
from the same brand
134 of the 1,733 reviewers have substantial overlapping product review history. These reviewers have rated this product an average of 4.7 while the reviewers who have a more unique product review history rated this product an average of 4.5. 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 15 deleted Reviews for this product, with an average rating of 4.9. 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
-
- 11%
- Created over 20 days
We counted 1,733 reviews for this product over the span of 1,571 days, an average of 1.1 reviews per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 6 or fewer reviews on any given day.
However, we see the following 20 days exceeding this threshold:In total, we found that 194 reviews were created on just 20 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 Reviewer Participation
-
- 44%
- 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 765 reviewers (or 44%) 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
66 of the 1,733 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:
Show MoreShow Less
83 reviews
(4.5/5)
(4.5/5)
34 reviews
(4.6/5)
(4.6/5)
45 reviews
(4.5/5)
(4.5/5)
37 reviews
(4.9/5)
(4.9/5)
39 reviews
(4.8/5)
(4.8/5)
21 reviews
(4.4/5)
(4.4/5)
17 reviews
(4.9/5)
(4.9/5)
32 reviews
(4.7/5)
(4.7/5)
25 reviews
(4.5/5)
(4.5/5)
20 reviews
(4.8/5)
(4.8/5)
Common Phrases in Titles:
19 reviews
(4.3/5)
(4.3/5)
122 reviews
(4.9/5)
(4.9/5)
31 reviews
(4.9/5)
(4.9/5)
215 of the 1,733 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 Brand Repeats
Brand Repeaters
78 of the 1,733 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
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 1,733 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.