Keyphrases
Physical Activity Intervention
100%
Prototype Development
100%
Mobile Elements
100%
Activity Tracker
85%
Chatbot
71%
Ecological Momentary Intervention
71%
Systematic Design
28%
Literature Search
28%
Intervention Program
28%
Design Protocol
28%
Physical Activity
14%
Computer-based
14%
Effective Tool
14%
Evaluation Method
14%
Randomized Controlled Trial
14%
World Health Organization
14%
Dropout Rate
14%
MHealth Intervention
14%
Physical Activity Guidelines
14%
System Usability Scale
14%
Development Evaluation
14%
Physical Activity Level
14%
Computer-based Intervention
14%
Intervention Use
14%
Population Increase
14%
Averaged System
14%
Adaptation Procedure
14%
Mobile Interviews
14%
Development Procedure
14%
N-11
14%
Computer Science
Chatbot
100%
Target Population
80%
System Usability Scale
20%
Development Step
20%
World Health Organization
20%
Controlled Trial
20%
Psychology
Physical Activity
100%
Intervention Program
40%
Physical Activity Level
20%
World Health Organization
20%
Medicine and Dentistry
Physical Activity
100%
Randomized Controlled Trial
20%
e-Health
20%
Physical Activity Level
20%
Biochemistry, Genetics and Molecular Biology
Physical Activity
100%
Randomized Controlled Trial
16%