Final answer:
The most appropriate application of using motivational models to increase self-efficacy is to set challenging goals early on that require a high amount of perseverance.
Step-by-step explanation:
The most appropriate application of using motivational models to increase self-efficacy would be to set challenging goals early on that require a high amount of perseverance. Setting goals that are challenging but achievable can boost an individual's confidence in their ability to succeed. By overcoming these challenging goals, individuals can prove to themselves that they have the capability to achieve success in other areas as well.