SanDisk 512GB Ultra MicroSDXC UHS-I Memory Card with Adapter - 100MB/s, C10, U1, Full HD, A1, Micro...
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Note: We only analyze "reviews" and ignore one-tap "ratings".
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Most Trusted Reviews
TRUST
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Verified Purchaser
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Take-Back Reviewer (1 deleted Review; avg. rating: 1.0)
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Critical Reviewer (avg. rating: 4.1)
Least Trusted Reviews
TRUST
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Verified Purchaser
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Created on a high volume day
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Contains repetitive phrases (
show)
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One-Hit Wonder
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Critical Reviewer (avg. rating: 1.0)
Analysis Details

One-Hit Wonders
462 of the 11,769 reviewers have only reviewed this product. The One-Hit Wonders have rated this product an average of 3.9 while the reviewers who have posted more than one review have rated this product an average of 4.6. 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.

(4.7/5)
(4.9/5)
295 of the 11,769 total reviews for this product use substantial repetitive phrases between them. These reviewers have rated this product an average of 4.9 while reviews without substantial repetitive phrases rated this product an average of 4.6. 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.

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1,960 of the 11,769 reviewers have substantial overlapping product review history. These reviewers have rated this product an average of 4.8 while the reviewers who have a more unique product review history rated this product an average of 4.6. 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.

We discovered a total of 149 deleted Reviews for this product, with an average rating of 3.3. 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.

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- 50%
- Created over 310 days
We counted 11,769 reviews for this product over the span of 2,746 days, an average of 4.3 reviews per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 13 or fewer reviews on any given day.
However, we see the following 310 days exceeding this threshold:In total, we found that 5,861 reviews were created on just 310 days. This is an excessively high number of reviews submitted on these high volume days.

315 of the 11,769 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.

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- 0%
- Have an overrepresented word count
Read more about our Word Count Comparison test.

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- 0%
- From reviewers with an overrepresented participation
Read more about our Reviewer Participation test.

4.5 Product's Average Ease Score
4.4 Category's Average Ease Score
Read more about our Reviewer Ease test.

Brand Repeaters
914 of the 11,769 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.

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- 0%
- Admitted to receiving an incentive
Read more about our Incentivized Reviews test. Check out our study showing that Incentivized Reviewers are much more likely to leave a positive review.