Answer 5_6_2

Question 2 

Give four physical and psychological factors that govern how people interact with computer systems

Physical and psychological factor include:

• Vision - colour should be used in conjunction with words and with experience.  For example red means stop. Words should be placed on buttons as some people are colour-blind;
• Hearing - certain noises occur with certain events, for example a click noise is made when a button is activated;
• Touch - people prefer to click buttons on a keyboard.  It has a more solid feel;
• Movement - icons should be large enough to be manipulated easily with a mouse.
• People learn by practice - repeated tutorials will enable staff to become more competent in the use of software;

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