CSCE3220 - Final

Question 1

What is the main advantage of using the ‘Think Aloud’ protocol in a usability test?

Answer 1

It informs the understanding of the user’s mental model

Question 2

Fitt’s Law models the difficulty of selecting graphical objects in an interface based on the assumption that

Answer 2

Different pointing devices have different timing constants

Question 3

Several usability measures can be collected while observing users interacting with a computer system including

Answer 3

Number of user errors

Question 4

An evaluation technique that is more realistic than other methods

Answer 4

Observation

Question 5

An evaluation method that does not require human participants serving as test users is the

Answer 5

Controlled experiment

Question 6

Hicks law states that Reaction Time will increase logarithmically as the:

Answer 6

The number of response choices increases

Question 7

In a formal experiment

Answer 7

Objective measurements are made

Question 8

The best evaluation technique to use in the early stages of application development is

Answer 8

Collecting user opinions

Question 9

The Wizard of Oz technique is used to describe and evaluation technique that

Answer 9

Simulating machine behavior with human operators

Question 10

T/F: Fitts’ Law helps to quantify usability of menu structures in direct manipulation interfaces

Answer 10

TRUE

Question 11

T/F: In pervasive computing the interface is situated in the environment without the user realizing this

Answer 11

TRUE

Question 12

T/F:You can do a heuristic evaluation using a prototype, even before the system is built

Answer 12

TRUE

Question 13

T/F: A vertical prototype includes the entire user interface with no underlying functionality

Answer 13

FALSE

vertical builds small set with full functionality

Question 14

T/F: A low-fidelity prototype is really just a bunch of drawings.

Answer 14

TRUE

Question 15

Name the two axis for a group ware diagram

Answer 15

Time and Space

Question 16

Name the 4 subcomponents

Answer 16

Different/Same time

Co-located/remote

Question 17

Name a co-located and same time example

Answer 17

face to face conversation

Question 18

Name a co-located and different time example

Answer 18

bulletin board

Question 19

name a remote and same time example

Answer 19

phone call

Question 20

name a remote and different time example

Answer 20

email

Question 21

attributes of visual variables 7

Answer 21

Position
Size
Shape
Orientation
Texture
Value
Color

Question 22

characteristics of visual variables 3

Answer 22

Nominal
Quantitative
Order

Question 23

Position always ranks ____

Answer 23

high

Question 24

categorical data use

Answer 24

Position
Color
Texture
Shape

Question 25

quantitative data use

Answer 25

position and size