Elderly are not familiar with mobile device.
How to give much more easy operation?
How to pay for the goods or service?
If they don’t have credit card, is there any other options?
How to sign up, can we reduce the procedure?
How can we do when they’re facing the problems?
If it’s convenient, most non-tech senior adults, will ask their children or social volunteers assist them ordering food or meals.
For most users, simplize options will reduce the willingness to order the meal plan.
If their family members can assist to put the money into adults’ accounts in advance.
Adults can directly buy stuff online and don’t worry about how to pay.
Meal plan including easy mode which allow system to automatically arrange meals
No more commercial ads or too many products to interrupt the path of booking
When social volunteers who need to serve many adults, they can easily make the ordering of their meals.
When we made the interviews, we found that even the adults have smart phones, the willingness to try new apps or functions is lower than we’ve predicted.So, one direction is to simpsize the steps of features, another direction is to build more functions and more detail collection for the people who assist them to order the meal
Don't expect most people will follow the guidance you provide on the usability test, and try to be humble with the design you think you’ve already had a lot of experience.