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Pertemuan 12
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INTRODUCTION
The design of cognitive work has not been
traditionally included as part of methods
engineering.
Machines & equipment are becoming
increasingly complex and semi, if not, fully
automated. The operator must be able to
perceive and interpret large amounts of
information, make critical decisions, and be able
to control these machines quickly and
accurately.
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INTRODUCTION
This chapter explains information theory,
presents a basic conceptual model of the
human as an information processor, and
details how best to code and display
information for maximum effectiveness,
especially with auditory and visual
displays.
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INFORMATION THEORY
Information, in the everyday sense of the word,
is knowledge received regarding a particular
fact. In the technical sense, information is the
reduction of uncertainty about this fact.
For example, the fact that the engine (oil) light
comes on when a car is started provides very
little information (other than the lightbulb is
functioning) because it is expected.
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MOTION ECONOMY
1. Gilbreth :
–
Motion Study
– Motion Economy
2. Barnes (1980)
Prinsip Ekonomi Gerakan (Motion Economy) pada :
• Penggunaan Badan / Anggota tubuh Manusia
• Tempat Kerja Berlangsung
• Peralatan Kerja yang digunakan
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HUMAN INFORMATION
PROCESSING MODEL
Numerous models have been put forward
to explain how people process information.
Figure 12 presents one such generic
model consisting of four major stages or
components : perception, decision and
response selection, response execution,
memory, and attentional resources
distributed over various stages.
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HUMAN INFORMATION
PROCESSING MODEL
A model of human
information processing
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DISPLAY
1. Display of visual information
2. Display of auditory
information