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Amazon.com > Sports & Outdoors > Outdoor Recreation > Camping & Hiking > Backpacks, Bags & Accessories > Backpacking Packs
30L Ultra Lightweight Travel Packable Backpack for Hiking Cycling Sports Daypack Backpack and Handy...
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From GBX Gear
This report was last updated 6/12/2017.
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Report Info:
Last Updated: Jun 12, 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
WARN Rating Trend
WARN Reviewer Ease
WARN Phrase Repetition
PASS Word Count Comparison
PASS Overlapping Review History
PASS Reviewer Participation
PASS Brand Repeats
Most Trusted Reviews
it's okay, nothing to rave about, seems a bit too ... [Go to full review]
Aug 31, 2016
100%
TRUST
TRUST
- Verified Purchaser
- Take-Back Reviewer (29 deleted Reviews; avg. rating: 4.3)
- Overlapping Review History: reviewed 3 of 9 top products
- Critical Reviewer (avg. rating: 4.1)
Least Trusted Reviews
The moment I took this item out of its packaging ... [Go to full review]
Jun 28, 2016
0%
TRUST
TRUST
- Unverified Purchaser
- Admitted to receiving an incentive
- Take-Back Reviewer (1 deleted Review; avg. rating: 2.0)
- Easy Grader (avg. rating: 4.6)
Analysis Details
Fail Deleted Reviews
We discovered a total of 12 deleted Reviews for this product, with an average rating of 4.8. 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
23 of the 27 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 3.3. 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.
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.
15 of the 27 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 4.8 while reviews that were not incentivized rated this product an average of 4.2. 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
19 of the 27 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.
Warn Rating Trend
-
- 11%
- Created over 1 day
We counted 27 reviews for this product over the span of 279 days, an average of 0.1 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 1 day exceeding this threshold:In total, we found that 3 reviews were created on just 1 day. Although any days with a larger number of reviews than expected is suspicious, the discrepancy in ratings from reviews created on these high volume days and reviews created on other days isn't significant enough to rule out the possibility of it being due to random chance.
Warn 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.
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 Reviews:
Show MoreShow Less
2 reviews
2 reviews
2 reviews
2 reviews
3 reviews
2 reviews
2 reviews
Common Phrases in Titles:
3 reviews
5 of the 27 total reviews for this product use substantial repetitive phrases between them. While this is more than we'd expect to see, the discrepancy in ratings between the these reviews and reviews without substantial repetitive phrases isn't significant enough to rule out the possibility of it being due to random chance.
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 Overlapping Review History
Reviewers of this product have ALSO reviewed the following products:
11% also reviewed:
Vincere Unisex Sand Socks Neoprene Beach Scuba... by Vincere Sports
7% also reviewed:
AstaFX Astaxanthin Super Formula by
7% also reviewed:
SONXTRONIC XDR-1000 BB Premium Fashion Soft Touch... by SONXTRONIC
7% also reviewed:
Indigi® 3G SmartPhone Android 4.4 White (Rotary... by inDigi
7% also reviewed:
Handoff Handsfree Smartphone Case No Bluetooth or... by HandOff
7% also reviewed:
iCooker 15-Pack Dessert Spoons [Stainless Steel]... by iCooker
7% also reviewed:
Item Unavailable by
Does not include products
from the same brand
from the same brand
9 of the 27 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 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 Brand Repeats
Brand Repeaters
We didn't detect a substantial amount of Brand Repeaters.