Human Computer Interaction | Quiz 1--4

Human Computer Interaction

It is the study of how people interact with technology, particularly how users utilize and design computer systems to be effective, efficient, user-friendly, and satisfying.

Sight, Hearing, Touch, Taste, and Smell

5 major senses

Vision

The primary source of information but has physical and perceptual limitations

Hearing

Considered secondary to vision and provides environmental awareness, like distances, directions, and objects.

Response Time = Reaction Time + Movement Time

Formula for Response Time

Memory

It is the faculty of the mind by which data or information is encoded, stored, and retrieved when needed.

Episodic, Semantic, and Procedural

3 Types of Long-Term Memory.

Abductive Reasoning

Reasoning backward from a fact to a cause. Users form theories about systems and hold onto them until proven wrong.

Inductive Reasoning

Generalizing from specific cases to the unknown.

Emotion

Distinct facial expressions, bodily changes, and actions, often falling into core categories like joy, sadness, anger, fear, disgust, and surprise.

James-Lange Theory

Proposed by William James that focuses on “Emotion being the interpretation of Physiological Response.”

Cannon-Bard Theory

A challenge for James-Lange theory where the body reacts and Interpretation occurs at the same time. 

Schacter-Singer Theory

Stanley Schachter and Jerome Singer (1962), it states that we first experience physical arousal (e.g., racing heart) and then interpret this state based on environmental cues to determine the specific emotion felt.

Cognitive Response

Thoughts, beliefs, and mental evaluations that conclude the information read, saw, or heard. Decision making or how people interpret the events.

Physiological Response

An automatic, involuntary internal reaction to internal or external stimuli (like stress, danger, or injury) aimed at adapting to or surviving the situation.

System Unit, Monitor, and Keyboard & Mouse

What a computer system is made of.

Richer Interaction

It is a computer interaction wherein computers are part of everyday life, including in appliances.

QWERTY keyboard

The most commonly used keyboard.

Stroke Capture, Letter Segmentation, and Different Handwriting Styles

The main problem being encountered in handwriting recognition.

Douglas Engelbart

Invented the Mouse.

Inverted “T”

Most common layout in cursor keys in keyboard.

PPI (pixel per inch)

Measure of picture’s resolution.

Fast Food Kiosk

Example of situated display.

Head-Mounted Display

HMD meaning.

Handheld Controller

Device used to manipulate virtual objects with our hands, rather than using a traditional keyboard and mouse.

Error alerts

Physical Control, Sensors, and Special Devices, sound output

DPI (dots per inch)

Measurement of Printer Resolution

Short Term Memory

Human memory that lasts for 15-30 seconds.

Gordon Moore

Moore’s law is named after.