Usability and Human Factors Unit 1 a People

Usability and Human Factors Unit 1 a People and Technology, Studies of Technology

Human Factors & Health Care Health Devices Component 15/Unit 1 a Electronic Health Record Systems Health IT Workforce Curriculum Version 1. 0/Fall 2010 2

People and Technology Component 15/Unit 1 a Health IT Workforce Curriculum Version 1. 0/Fall 2010 3

Transformative Nature of Technology • Technologies can have enormous social and cognitive impact • Precipitates Technologies large scale societal changes Technological have Precipitates • Technological changes have changes positivehave and enormous large scale positive and negative consequences social and societal cognitive impact Component 15/Unit 1 a changes Health IT Workforce Curriculum Version 1. 0/Fall 2010 negative consequences 4

Transformative Technologies Component 15/Unit 1 a Health IT Workforce Curriculum Version 1. 0/Fall 2010 5

Modern Technologies Component 15/Unit 1 a Health IT Workforce Curriculum Version 1. 0/Fall 2010 6

Early Medical Technologies Component 15/Unit 1 a Health IT Workforce Curriculum Version 1. 0/Fall 2010 7

Usability Quality of of a user’s experience when interacting when • Quality a user's experience with a product or system interacting with a product or system • Factors affect the user's experience: the user’s experience: –Factors Easeaffecting of learning/Learnability – • Efficiency of use Ease of learning/learnability Efficiency of use – • • Supports Cognitive Task Supports cognitive task Memorability – • Memorability • Error frequency & severity Aesthetics – • Error frequency and severity • Subjective satisfaction – Aesthetics Health IT Workforce Curriculum Component 15/Unit 1 a Version 1. 0/Fall 2010 – Subjective satisfaction 8

Usability Principles Minimize memory load of system Flexibility & • Visibility of system status efficiency (recognition over recall) & real world • Match between system • User control &freedom Help user Match between Motivation & recognize, diagnose • Consistency &standards system & read and recover from engagement world errors • Help users recognize, diagnose, and recover from errors User control & memory Consistency • Minimize load & freedom standards – Recognition over recall • Flexibility &efficiency Component 15/Unit 1 a Health IT Workforce Curriculum Version 1. 0/Fall 2010 9

Human Computer Interaction and Human Factors • Basic and Applied Discipline devoted to • Study ofusing people using computers to to work Basic & Applied the study of “people computers • People, systems, tasks Discipline accomplish work” – People, Systems, and Tasks performance in context of any Ergonomics & • User system • Human Ergonomics and Human Factors • Computer, mechanical or manual – Concerned with user performance in context of any system, whether computer, mechanical • Humans in relation to their use of or manual Understanding technologies • Understanding humans in relation to their use of technologies Component 15/Unit 1 a Health IT Workforce Curriculum Version 1. 0/Fall 2010 10

HCI and Health Information Technologies • Enormous advances in health information technologies in the last technologies in thedecade last decade Potential for improved healthcare – Affords potential for improved healthcare • Clinicians and patients employ health Clinicians & patients employ health information technologies Current designs are suboptimal – Current designs are frequently suboptimal • Increasingly, there are options Increasingly, there are more options Component 15/Unit 1 a Health IT Workforce Curriculum Version 1. 0/Fall 2010 11

Why it May Matter to You • Technology is a potential source of error and can compromise patient safety • Position to make a difference in product selection • The best technologies have some deficiencies – Better and worse choices Component 15/Unit 1 a Health IT Workforce Curriculum Version 1. 0/Fall 2010 12