Social Cognitive Theory 1 adult 1 article 1 behavior change 1 clinical article 1 controlled study 1 evaluation 1 female 1 habit 1 health promotion 1 human 1 human experiment 1 intervention 1 leisure 1 male 1 meditation 1 physical activity 1 proof of concept 1 randomized controlled trial screen time 1 skill 1 sleep 1 social cognitive theory 1 social marketing 1 theoretical study 1 theory 1 well-being 1 wellbeing 1 young adult 1