when designing products and/or systems, designers need to consider what factors?

what are the four usability factors?
give an explanation with each point

what factors do inclusive design involve?

what does ergonomics relate to?

what does good ergonomics reduce?

what does ergonomic fit refer to ?

what are some examples of ergonomic factors that can help to improve usability?

what are some benefits of good ergonomics?

what does anthropometrics relate to?

How is anthropometric data presented?
Give examples of the measurements that are presented

what are these anthropometric measurements usually grouped?

with anthropometrics what do designers need to consider?

how important is it to choose the appropriate percentiles for anthropometric data table?

what do these percentile tables include?

what does using the range from 5th to 95th percentile disregard?