First step is defining efficiency, effectiveness, and satisfaction within the app.

Interview users visually and audibly as well as screen record their devices while navigating the app

Break down the data quantitatively and qualitatively to determine efficiency, effectiveness, and satisfaction within the app.

Create scenarios that allow users to navigate through the app based on specific tasks.

Prepare Pre-test questionnares as well as post-test questionnaires to define usability per participant.

Discuss unexpected challenges, efficiency of interviews/tasks, and ways for improvement within the test.