A Recent Meta-Analysis Investigating the Effectiveness of MHealth Interventions in Promoting

A recent meta-analysis investigating the effectiveness of mHealth interventions in promoting physical activity found that mHealth interventions were:

A) associated with significant decrease in sedentary behavior and a significant increase in physical activity.
B) associated with a minor decrease in sedentary behavior and a moderate increase in physical activity.
C) significantly more successful as compared to non-technology-based control groups.
D) less desirable but more accessible than non-technology-based intervention programs.