Which of the Following Statements About Internet-Based Interventions Is Not

Which of the following statements about Internet-based interventions is not true?

A) Some research suggests that apps and social networking are more effective than traditional internet-delivered interventions.
B) Empirically-based techniques for behavior change are not used in most popular health-related apps.
C) Mobile devices such as smartphones and tablets are particularly useful in supporting health because people can carry the tool with them, engage with social networks, and in some cases, record diet and physical activity data more accurately.
D) Some research suggests that since apps do not use empirically-based techniques for behavioral change, they are useless.