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2021 Calendar - Wall Calendar 2021 with Julian Date, Jan 2021 - Dec 2021, Twin-Wire-Bound,...
More product info From Kodexlode

Amazon Reviews for  2021 Calendar - Wall Calendar 2021 with Julian Date, Jan 2021 - Dec 2021, Twin-Wire-Bound, 14.76”x 11.6”, Thick Paper Perfect for Organizing & Planning, 6 Different Background Patterns
Rating:
776 Ratings
238 Reviews
("Ratings" vs. "Reviews")
29% of potentially unnatural reviews removed (why?)
Adjusted:
View/Edit Adjustment
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Report Info:
Last Updated: Jan 13, 2021
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Note: While Amazon.com claims 776 Ratings, we counted 238 Reviews available on their site.
Note: We only analyze "reviews" and ignore one-tap "ratings".

Report Card

Warn Overall Grade
FAIL Reviewer Participation
WARN Rating Trend
WARN Suspicious Reviewers
WARN Reviewer Ease
WARN Phrase Repetition
PASS Unverified Purchases
PASS Word Count Comparison
PASS Overlapping Review History
PASS Brand Repeats
PASS Incentivized Reviews
PASS Deleted Reviews

Most Trusted Reviews

The paper used for each month is high quality, holidays ... [Go to full review]
Aug 18, 2020      
100% TRUST
  • Verified Purchaser
  • Critical Reviewer (avg. rating: 4.4)


Least Trusted Reviews

Very nice calendar - I particularly like that the boxes ... [Go to full review]
Jan 10, 2021      
0% TRUST
  • Verified Purchaser
  • Created on a high volume day
  • Contains repetitive phrases (show)
  • Overrepresented Participation (posted 3 Reviews)
  • Easy Grader (avg. rating: 5.0)


Analysis Details

Fail Reviewer Participation

  • 77%
  • From reviewers with an overrepresented participation

We see the following 2 participation groups with a statistically significant greater concentration than what we'd expect to see:In total, we found that 183 reviewers (or 77%) are within an overrepresented participation group. These reviews have rated this product an average of 4.9, while all other reviews have rated this product an average of 4.8. 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.

From reviewers with an overrepresented participation

From reviewers with a properly represented participation


4.9
4.8


Read more about our Reviewer Participation test.

Warn Rating Trend

  • 25%
  • Created over 6 days

We counted 238 reviews for this product over the span of 154 days, an average of 1.5 reviews per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 7 or fewer reviews on any given day.

However, we see the following 6 days exceeding this threshold:In total, we found that 60 reviews were created on just 6 days. This is an excessively high number of reviews submitted on these high volume days.

from reviews created on high volume days

from reviews created on normal volume days


4.9
4.9


Read more about our Rating Trend test.

Warn Suspicious Reviewers

One-Hit Wonders


38 of the 238 reviewers have only reviewed this product. While this is more One-Hit Wonders than we'd expect to see, the discrepancy in ratings between the One-Hit Wonders and reviewers who have posted more than one review isn't significant enough to rule out the possibility of it being due to random chance.

from one-hit wonders

from reviewers with more than one review


5.0
4.9


Read more about our Suspicious Reviewers test.

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 4.6, while the average ease score for reviewers in this category is 4.4. While this discrepancy is rather large, it is not quite large enough to rule out the possibility of it being due random chance.

4.6 Product's Average Ease Score

4.4 Category's Average Ease Score


4.6
4.4


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:
4 reviews
(5.0/5)
4 reviews
(5.0/5)
4 reviews
(5.0/5)
4 reviews
(5.0/5)
2 reviews
(5.0/5)
4 reviews
(4.8/5)
4 reviews
(5.0/5)
Show MoreShow Less
Common Phrases in Titles:
7 reviews
(5.0/5)
5 reviews
(5.0/5)
2 reviews
(5.0/5)
2 reviews
(5.0/5)
4 reviews
(5.0/5)
18 reviews
(5.0/5)
4 reviews
(5.0/5)
Show MoreShow Less


41 of the 238 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.

from reviews with substantial repetitive phrases

from reviews without substantial repetitive phrases


5.0
4.9


Read more about our Phrase Repetition test.

Pass Unverified Purchases

40 of the 238 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.

from unverified purchasers

from verified purchases


4.9
4.9


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 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.

Pass Overlapping Review History

4 of the 238 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.

from reviewers with substantial overlapping history

from reviewers without a substantial overlapping history


5.0
4.9


Read more about our Overlapping Review History test.

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.

  • 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.

Pass Deleted Reviews
  • 0
  • Reviews have been deleted
We have not discovered any deleted reviews for this product.

There are a few limitations to keep in mind regarding the Deleted Reviews test:
  1. 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.
  2. We have no information on reviews that were never published in the first place.
  3. 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.
Read more about our Deleted Reviews test.