User Psychology

ITKP103 Human Being and Information System http://www.cs.jyu.fi/ky/kurssit/itkp103/index.html  Sacha Helfenstein sh@cc.jyu.fi   Lectures 28.10., 2.11., and 4.11.2005

Pertti Saariluoma (1 lecture)

Sacha Helfenstein (3 lectures)

Hanna Parkkola (2+2 lectures)

Kimmo Wideroos (3 lectures)

Kimmo Wideroos (3 lectures) 2

Human Technology Context E.g., Social Psychology HumanTechnology UbiquitousComputing  Embeded Technology Use and Interaction

Kimmo Wideroos (3 lectures) 3

„Your product or service is useless if humans do not understand it, cannot operate it, or do not want to use it.“

Objectives

Objectives 2

Nielsen-Norman Group www.nngroup.com Donald A. Norman Jakob Nielsen

Problem

There are numerous guides on Web design but for the most part, these are based on designers intuition and common sense - with little theoretical or experimental validation. 					Dalal et al, 1999

Research Fields

Applying Psychology in Design

Dimensions of Psychology

Psychology deals with human experience i.e., mental processes and behavior. Thinking Feeling Acting Mind Body Environment

Psychological Disciplines

The Model Human Processor

Perception, Attention and Memory

Stage Model of Memory

Sensory Storage Working Memory Long-Term Memory maintenance organization/elaboration Decay: 0.2-4s Decay: 20-30s 7 ± 2 chunks Decay? Interference? Audible Visual Haptic Information modality Unprocessed information Symbolic information chunks Semantic and

Stage Model of Memory 2

Stage Model of Memory 3

Fixation time300ms500ms750ms
Speed 50km/h20%35%50%
Speed 100km/h40%70%100%
Speed 150km/h70%100%100%
Traffic Psychology Example Ca. 1 sign / 20 m Percentage of driving time used only to visually fixate traffic signs.

Stage Model of Memory 4

Where am I? http://www.des.emory.edu/mfp/self-efficacy.html#info Guess how many links: - 295!