Tool 2

Question 1

What does human information processing consist of?

Answer 1

Perception, cognition, and physiology

Question 2

What is perception?

Answer 2

The way that people detect information in their environment (the way something looks,sounds,and feels)

Question 3

What is cognition

Answer 3

The way people process information

Question 4

List a variety of cognition processes

Answer 4

Acronym: SLAPDST
Short-term memory
Long-term memory
Attention
Problem-solving
Decision making
Search and scanning
Time perception

Question 5

What is STM

Answer 5

Short-term memory is when a human stores a little bit of information for a short period of time. Quick to recall and usually can remember up to 7 items.

Question 6

What is LTM

Answer 6

Long-term memory is information that takes time to recall and can store information for long periods of time.

Question 7

What is the difference between “knowledge in the world” and “knowledge in the head”

Answer 7

KiW is external information that we do not remember and Kih is is our memory and we always remember like our name.

Question 8

Define culture

Answer 8

Behaviour type of a certain group or class.

Question 9

What are a few of Schneiderman’s guidelines to get users’ attention?

Answer 9

Size
Font
Colour 
Audio
Blinking
Marking
Intensity

Question 10

What are the limitations designers should consider when designing for children?

Answer 10

Evolving dexterity
Emerging literacy (errors)
Low level of abstraction( avoid complex sequences)
Short attention span (allows them to work on multiple tasks simultaneously)

Question 11

What are the benefits for elderly using technology

Answer 11

Improves chances of employment(writing, email, and computer skills)
Society benefits from them sharing their past experiences
Can communicate with family and people far away
Can improve hand-eye coordination, for example, playing Wii
Improve reaction time

Question 12

What is internal consistency

Answer 12

Similar operations being performed in a similar way among a single application

Question 13

What is external consistency

Answer 13

Similar operations being performed in a similar way among several applications

Question 14

What are the 2 major forms of error and explain their differences

Answer 14

Mistakes and slips. Mistakes are formed when having the incorrect plan to achieve the goal and slips are not achieving the goal because of automatic behavior.

Question 15

Name the 6 slip errors

Answer 15

Acronym CALMDD:
Capture error
Associative activation error
Loss-of-activation error
Mode error
Description error 
Data-driven error

Question 16

What is a capture error

Answer 16

An activity you perform frequently is executed instead of the intended activity
e.g.
Going home after work instead of going to a restaurant

Question 17

What is an Associative activation error

Answer 17

These are formed by associating something with something else instead of the external data.

Question 18

What is a Loss-of-activation error

Answer 18

Errors due to forgetfulness

Question 19

Mode error?

Answer 19

A device has different modes of operation than a previous device so the same action has a different purpose

Question 20

Description error?

Answer 20

Instead of the intended activity, you do something that has a lot in common with that action

Question 21

Data-driven error?

Answer 21

Errors that are triggered by some kind of sensory input.
e.g.
Writing your friend’s name instead of your name because you were looking at your friend.

Question 22

What are the steps to reduce the frequency of human error?

Answer 22

Using decision support systems
e.g.
accidentally press delete but a confirmation tab pops up.