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Plantar Fasciitis Inserts, Hallux Rigidus Orthotic Shoes Insoles for Men & Women, Full Length...
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Report Info:
Note: While Amazon.com claims 423 Ratings, we counted 415 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
Deleted Reviews

FAIL
Unverified Purchases

FAIL
Suspicious Reviewers

FAIL
Reviewer Ease

FAIL
Reviewer Participation

WARN
Rating Trend

WARN
Word Count Comparison

WARN
Overlapping Review History

PASS
Phrase Repetition

PASS
Brand Repeats

PASS
Incentivized Reviews

Most Trusted Reviews
We couldn't find any quality reviews
Least Trusted Reviews
Great for the price! Fit perfectly in my husbands shoes; ... [Go to full review]
Mar 14, 2019
0%
TRUST
TRUST
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Unverified Purchaser
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Created on a high volume day
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Overrepresented word count (55 words)
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Never-Verified Reviewer
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Take-Back Reviewer (26 deleted Reviews; avg. rating: 5.0)
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Brand Repeater (21 of 82 reviews for this brand; avg rating: 5.0)
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Overlapping Review History: reviewed 3 of 9 top products
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Overrepresented Participation (posted 82 Reviews)
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Easy Grader (avg. rating: 5.0)
Analysis Details
Fail
Deleted Reviews

We discovered a total of 111 deleted Reviews for this product, with an average rating of 5. 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

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- 100%
- Unverified Purchases
414 of the 415 total reviews for this product are unverified purchases. The unverified purchasers have rated this product an average of 5.0 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
Suspicious Reviewers

Never-Verified Reviewers
335 of the 415 reviewers have never written a verified purchase review. This is an excessively large percentage of Never-Verified Reviewers which may indicate unnatural reviews.
Take-Back Reviewers
140 of the 415 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.
Single-Day Reviewers
138 of the 415 reviewers have written multiple reviews but posted all of them on a single day. This is an excessively large percentage of Single-Day Reviewers which may indicate 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 5, 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.
5.0 Product's Average Ease Score
4.3 Category's Average Ease Score
Read more about our Reviewer Ease test.
Fail
Reviewer Participation

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- 99%
- From reviewers with an overrepresented participation
We see the following 3 participation groups with a statistically significant greater concentration than what we'd expect to see:In total, we found that 412 reviewers (or 99%) are within an overrepresented participation group. These reviews have rated this product an average of 5.0, while all other reviews 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.
Warn
Rating Trend

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- 93%
- Created over 3 days
We counted 415 reviews for this product over the span of 8 days, an average of 51.9 reviews per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 74 or fewer reviews on any given day.
However, we see the following 3 days exceeding this threshold:In total, we found that 385 reviews were created on just 3 days. This is an excessively high number of reviews submitted on these high volume days.
Warn
Word Count Comparison

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- 73%
- 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 301 reviews (or 73%) are within an overrepresented word count group. This is an excessively high number of reviews in overrepresented word count groups.
Warn
Overlapping Review History

Reviewers of this product have ALSO reviewed the following products:
35% also reviewed:
Plantar Fasciitis Insoles, Foot Arch Support... by Mai jili
35% also reviewed:
Dash Cam - Mai jili... by KAILEDI
11% also reviewed:
x/XS Screen Protector, Premium Clear, 9H... by Pang Hong
6% also reviewed:
Egg Cooker,THYMY Deluxe Egg Steamer Egg Boiler... by THYMY
2% also reviewed:
PowCube Stainless Steel 1.7L Electric Water... by PowCube
1% also reviewed:
BaseWell Ultra HD 1080P Mini Car Video Camera,... by BaseWell
1% also reviewed:
KINGAR Motion Plus Remote and Nunchuck Controller... by KINGEAR
Does not include products
from the same brand
from the same brand
280 of the 415 reviewers have substantial overlapping product review history. While this is more than we'd expect to see, it does not appear to have a significant impact on the overall rating.
Pass
Phrase Repetition

Reviews that contain one of these phrases are NOT necessarily devalued; read more about how this test works here.
22 of the 415 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
We didn't detect a substantial amount of Brand Repeaters.
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.
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- 0%
- Admitted to receiving an incentive
We didn't detect any reviews that used language indicating they were incentivized.
Read more about our Incentivized Reviews test. Check out our study showing that Incentivized Reviewers are much more likely to leave a positive 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.