Explore >> Select a destination
|
You are here 
|
www.researchprotocols.org | ||
| | | | |
formative.jmir.org
|
|
| | | | | Background: Wrist-worn devices that incorporate photoplethysmography (PPG) sensing represent an exciting means of measuring heart rate (HR). A number of studies have evaluated the accuracy of HR measurements produced by these devices in controlled laboratory environments. However, it is also important to establish the accuracy of measurements produced by these devices outside the laboratory, in real-world, consumer use conditions. Objective: This study sought to examine the accuracy of HR measurements pr... | |
| | | | |
www.jopm.org
|
|
| | | | | ||
| | | | |
www.jmir.org
|
|
| | | | | Background: Interactive digital technology use is integral to adolescents lives and has been associated with both health benefits and risks. Previous studies have largely focused on measuring the quantity of technology use or understanding the use of specific platforms. To better understand adolescents interactive digital technology use, we need new approaches that consider technology interactions and their importance. Objective: This study aimed to develop an assessment tool to evaluate adolescents digi... | |
| | | | |
blog.minitab.com
|
|
| | | Regression Analysis: How Do I Interpret R-squared and Assess the Goodness-of-Fit? | ||
