After quitting smoking for six months, Marcus decides to start a regular exercise routine to improve his cardiovascular health. Which model of health most accurately explains Marcus's decision to this new health behavior?

After successfully exercising five days a week for three months, Maya treated herself to a new pair of running shoes. This is an example of:

Jessica believes she can stay consistent with her fitness goals. When she skips a workout, she creates a plan to adjust her routine and continues moving forward. Jessica 

James wants to improve his cardiovascular fitness before joining a recreational soccer league in 10 weeks. He begins by jogging for 8 minutes each day and plans to increase his jogging time by 8 minutes every week until he reaches 48 minutes. If he feels overwhelmed, he will only add 4 minutes per week. Which behavior-change technique is James applying to his fitness plan?

Nisha decides to place her running shoes next to her bed so she is more likely to go for a jog in the morning instead of skipping exercise. This strategy is an example of