Psychology of Computing

What is the main focus of the Crash Course Computer Science series?

• humans
• computers
• animals
• plants

Humans are described as being ___ compared to computers.

• messy
• logical
• predictable
• consistent

To build usable computer systems, designers need to understand the strengths and weaknesses of both ___ and humans.

• networks
• circuits
• computers
• algorithms

What term is used to describe a physical computer interface that is frustrating to use?

• low inefficiency
• affordance
• poor usability
• malfunction

Usability measures how a human-made artifact can be used to achieve an objective ___.

• incorrectly
• efficiently
• precisely
• optimally

The human visual system is good at ordering ___.

• sounds
• colors
• intensities of colors
• shapes

Humans are terrible at ordering ___.

• colors
• shapes
• intensities of colors
• sounds

Color intensity is a great choice for displaying data with ___.

• discrete values
• binary values
• continuous values
• random values

Humans can generally juggle ___ items plus or minus 2 in short-term memory.

• 9
• 5
• 11
• 7

Chunking helps humans read, remember, and process information more ___.

• randomly
• slowly
• effectively
• incorrectly