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Infant Optics DXR-8 Video Baby Monitor with Interchangeable Optical Lens
More product info From Infant Optics

Amazon Reviews for  Infant Optics DXR-8 Video Baby Monitor with Interchangeable Optical Lens
Rating:
42,267 Ratings
19,149 Reviews
("Ratings" vs. "Reviews")
69% of potentially unnatural reviews removed (why?)
Adjusted:
View/Edit Adjustment
Jump to Report Card
Report Info:
Last Updated: Nov 24, 2020
Show Report History
Note: While Amazon.com claims 42,267 Ratings, we counted 19,149 Reviews available on their site.
Note: We only analyze "reviews" and ignore one-tap "ratings".

Report Card

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

Most Trusted Reviews

Updated review Sep 2019:What can I say - this company ... [Go to full review]
Mar 12, 2017      
59% TRUST
  • Verified Purchaser
  • Overrepresented Participation (posted 11 Reviews)
  • Critical Reviewer (avg. rating: 3.8)


Least Trusted Reviews

We have been using this monitor for three years solid ... [Go to full review]
Nov 23, 2018      
0% TRUST
  • Verified Purchaser
  • Created on a high volume day
  • Overrepresented Participation (posted 4 Reviews)
  • Critical Reviewer (avg. rating: 4.0)


Analysis Details

Fail Deleted Reviews

We discovered a total of 19,243 deleted Reviews for this product, with an average rating of 4.4. 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:
  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.

4.4 average rating of deleted reviews

4.4


Show distribution of deleted reviews

Fail Rating Trend

  • 49%
  • Created over 321 days

We counted 19,149 reviews for this product over the span of 1,850 days, an average of 10.4 reviews per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 22 or fewer reviews on any given day.

However, we see the following 321 days exceeding this threshold:In total, we found that 9,397 reviews were created on just 321 days. The reviews on these high volume days have rated this product an average of 4.4 while reviews from other days 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.

from reviews created on high volume days

from reviews created on normal volume days


4.4
4.3


Read more about our Rating Trend test.

Fail Unverified Purchases

1,288 of the 19,149 total reviews for this product are unverified purchases. The unverified purchasers have rated this product an average of 3.5 while the verified purchasers have 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.

from unverified purchasers

from verified purchases


3.5
4.4


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

One-Hit Wonders


3,896 of the 19,149 reviewers have only reviewed this product. The One-Hit Wonders have rated this product an average of 4.6 while the reviewers who have posted more than one review 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.

from one-hit wonders

from reviewers with more than one review


4.6
4.3


Read more about our Suspicious Reviewers test.

Fail 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:
409 reviews
(4.6/5)
373 reviews
(4.9/5)
1184 reviews
(4.9/5)
1186 reviews
(4.4/5)
900 reviews
(4.7/5)
325 reviews
(4.5/5)
379 reviews
(4.7/5)
1085 reviews
(4.2/5)
912 reviews
(4.5/5)
732 reviews
(3.9/5)
Show MoreShow Less
Common Phrases in Titles:
2161 reviews
(4.8/5)
366 reviews
(4.9/5)
263 reviews
(4.9/5)
315 reviews
(2.9/5)
225 reviews
(5.0/5)
250 reviews
(4.5/5)
254 reviews
(4.9/5)
213 reviews
(5.0/5)
740 reviews
(4.8/5)
Show MoreShow Less


3,660 of the 19,149 total reviews for this product use substantial repetitive phrases between them. These reviewers have rated this product an average of 4.7 while reviews without substantial repetitive phrases 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.

from reviews with substantial repetitive phrases

from reviews without substantial repetitive phrases


4.7
4.3


Read more about our Phrase Repetition test.

Fail Reviewer Participation

  • 87%
  • 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 16590 reviewers (or 87%) are within an overrepresented participation group. These reviews have rated this product an average of 4.4, while all other reviews 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.

From reviewers with an overrepresented participation

From reviewers with a properly represented participation


4.4
4.0


Read more about our Reviewer Participation 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 4.2, while the average ease score for reviewers in this category is 4.1. While this discrepancy is rather large, it is not quite large enough to rule out the possibility of it being due random chance.

4.2 Product's Average Ease Score

4.1 Category's Average Ease Score


4.2
4.1


Read more about our Reviewer Ease test.


Pass Word Count Comparison

  • 23%
  • 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 1 group with a statistically significant greater concentration than what we'd expect to see:In total, we found that 4,395 reviews (or 23%) are within an overrepresented word count group. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.

from reviews with an overrepresented word count

from reviews with a properly represented word count


4.4
4.3


Read more about our Word Count Comparison test.

Pass Overlapping Review History
  • 0%
  • Substantial overlapping review history
0 of the 19,149 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.
Read more about our Overlapping Review History test.

Pass Brand Repeats

Brand Repeaters


271 of the 19,149 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.

from Brand Repeaters

from Non-Repeaters


4.4
4.4


Read more about our Brand Repeats test.

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.


8 of the 19,149 total reviews for this product admitted to receiving a free or discounted product in exchange for a review. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.

from incentivized reviews

from non-incentivized reviews


3.8
4.4


Read more about our Incentivized Reviews test. Check out our study showing that Incentivized Reviewers are much more likely to leave a positive review.