HCI Factors

Navigation around the program should be clear consistent and easy to follow. E.g. Every next should be in the same place using the same icon. 

E.g. It speeds things up if there is a similar route through the programs (if it is clear) as users do not have to keep learning things/helps users learn their way around the system.

e.g. Large/minimal text for a child to minimalise reading which builds up user confidence. 

e.g. Makes it more efficient if the user can change items to suit their work preference.

Change font size – readability, appropriate to level of user.

e.g. No sound in a noisy area.

Touch screens in museums / factories / etc. 

e.g. So that it conveys who the organisation is and all the company documents look/feel the same.

e.g. Rather than wasting time looking in manuals, important if no outside help available when working / tool tips telling the user what to do / interactive user manual that answers general FAQ. /Wizards to take you through the task.

An expert user will need shortcuts so that the task can be completed as quickly as possible whereas a novice will need a number of steps to guide them.