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Amazon.com > Tools & Home Improvement > Building Supplies > HVAC > Furnace Parts & Accessories > Furnace Filters
Best for Odor Control - AiRx ODOR 16x20x1 Air Filters - Box of 6 - Pleated 16x20X1 MERV 8 Carbon...
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From AiRx
This report was last updated 7/13/2017.
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Report Info:
Last Updated: Jul 13, 2017
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Note: We only analyze "reviews" and ignore one-tap "ratings".
Report Card
Fail Overall Grade
FAIL Deleted Reviews
FAIL Unverified Purchases
FAIL Incentivized Reviews
FAIL Suspicious Reviewers
FAIL Overlapping Review History
WARN Rating Trend
WARN Brand Repeats
WARN Word Count Comparison
WARN Phrase Repetition
PASS Reviewer Participation
PASS Reviewer Ease
Most Trusted Reviews
We couldn't find any quality reviewsLeast Trusted Reviews
This filter keeps my house smelling great. Even after i ... [Go to full review]
Jun 5, 2016
0%
TRUST
TRUST
- Unverified Purchaser
- Overrepresented word count (54 words)
- Admitted to receiving an incentive
- Never-Verified Reviewer
- Take-Back Reviewer (29 deleted Reviews; avg. rating: 4.9)
- Brand Repeater (3 of 9 reviews for this brand; avg rating: 5.0)
- Easy Grader (avg. rating: 4.8)
Analysis Details
Fail Deleted Reviews
We discovered a total of 30 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.
Fail Unverified Purchases
58 of the 72 total reviews for this product are unverified purchases. The unverified purchasers have rated this product an average of 4.7 while the verified purchasers have rated this product an average of 4.0. 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.
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.
Fail Incentivized Reviews
On Oct 3, 2016, Amazon prohibited incentivized reviews, however we still test for them since there are still millions in our dataset.
32 of the 72 total reviews for this product admitted to receiving a free or discounted product in exchange for a review. Incentivized reviews have rated this product an average of 4.9 while reviews that were not incentivized 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.
Read more about our Incentivized Reviews test. Check out our study showing that Incentivized Reviewers are much more likely to leave a positive review.
Fail Suspicious Reviewers
Take-Back Reviewers
49 of the 72 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 4.3. 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 Overlapping Review History
Reviewers of this product have ALSO reviewed the following products:
15% also reviewed:
Art Naturals Organic Argan Oil Hair Loss Shampoo... by Artnaturals
8% also reviewed:
LED Light Bulbs 2-Pack by Hudson Lighting
8% also reviewed:
NeuroEnhance Natural Brain Function Booster... by NeuroEnhance
8% also reviewed:
Viva Naturals Organic Shea Butter (4 oz) - Raw... by Viva Naturals
7% also reviewed:
Bluetooth Headphones: Stalion Sound Wireless... by Stalion
6% also reviewed:
Stanzino Junior Jeggings For Women Skinny,... by Stanzino
39 of the 72 reviewers have substantial overlapping product review history. These reviewers have rated this product an average of 4.9 while the reviewers who have a more unique product review history 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.
Warn Rating Trend
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- 25%
- Created over 5 days
We counted 72 reviews for this product over the span of 464 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 2 or fewer reviews on any given day.
However, we see the following 5 days exceeding this threshold:In total, we found that 18 reviews were created on just 5 days. This is an excessively high number of reviews submitted on these high volume days.
Warn Brand Repeats
Brand Repeaters
32 of the 72 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 Word Count Comparison
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- 49%
- 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 35 reviews (or 49%) are within an overrepresented word count group. While this is more reviews from overrepresented word count groups than we'd expect to see, the discrepancy in ratings between reviews with overrepresented word groups and all other reviews isn’t significant enough to rule out the possibility of it being due to random chance.
Warn Phrase Repetition
Reviews that contain one of these phrases are NOT necessarily devalued; read more about how this test works here.
Common Phrases in Titles:
3 reviews
3 reviews
2 reviews
13 of the 72 total reviews for this product use substantial repetitive phrases between them. This is an excessively large percentage which may indicate unnatural reviews.
Pass 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
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.