WEEK 04 — DIGITAL TRANSFORMATION

Technology Acceptance Models & Emerging Paradigms

Understanding TAM, UTAUT, IoT, Cloud, Edge, and Fog Computing

Dr. Davood Wadi·Spring 2025·Digital Transformation
scroll to explore
01

CHAPTER 01

Technology Acceptance Model (TAM)

A theoretical framework that explains and predicts how users come to accept and use a technology.

THEORETICAL FRAMEWORK

What drives adoption?

Developed by Fred Davis in 1986, the Technology Acceptance Model (TAM) is widely used in information systems research to understand user behavior regarding technology adoption.

What drives adoption?

REFLECTION QUESTION

Think of a time you adopted a new app or tool. What specific factors convinced you to use it? Did you care more about how intuitive it was or how much value it added?

External variables such as System Features, User Characteristics, Social Influence, and Training influence Perceived Usefulness (PU) and Perceived Ease of Use (PEOU).

01

Perceived Usefulness (PU)

The degree to which a person believes that using a particular technology will enhance their job performance or productivity.

02

Perceived Ease of Use (PEOU)

The degree to which a person believes that using a technology will be free of effort.

03

Attitude Toward Use

Determined by perceived usefulness and perceived ease of use. A positive attitude can lead to higher technology adoption.

04

Behavioral Intention

The attitude toward use affects the behavioral intention to use the technology.

02

CHAPTER 02

Applications of TAM

Real-world case studies of applying TAM to analyze technology adoption in various industries.

CASE STUDY

E-Commerce & Healthcare

When BestBuy introduces a new AI-powered virtual shopping assistant, TAM helps analyze how external variables like personalized recommendations and online reviews influence perceived usefulness and ease of use.

Similarly, a hospital adopting an AI-powered chatbot for patient triage can evaluate acceptance. Patients appreciate the simple interface (ease of use), while staff value the reduction in waiting times and filtering of non-urgent cases (usefulness).

IKEA'S SELF-RETURN KIOSK

Customers find the kiosk intuitive due to clear instructions (PEOU), and useful because it eliminates waiting in line (PU). This drives behavioral intention and actual system use.
"

When forced to use a new technology in public, what types of apprehensions do you face? How can these apprehensions be alleviated?

Class Discussion

03

CHAPTER 03

The UTAUT Model

The Unified Theory of Acceptance and Use of Technology integrates elements from several existing models.

THEORETICAL FRAMEWORK

Beyond Usefulness & Ease

Introduced by Venkatesh et al. in 2003, UTAUT integrates elements from TAM, the Theory of Planned Behavior, and the Motivational Model to provide a comprehensive view of technology acceptance.

Beyond Usefulness & Ease

UTAUT identifies four primary constructs that significantly influence technology acceptance: Performance Expectancy, Effort Expectancy, Social Influence, and Facilitating Conditions.

1

Performance Expectancy

How much the technology is perceived to enhance job performance.

2

Effort Expectancy

Reflects the ease of use associated with the technology.

3

Social Influence

How much individuals perceive that important others believe they should use the new technology.

4

Facilitating Conditions

The resources and support available to individuals, such as infrastructure and training.

MODERATING VARIABLES

Factors Influencing Adoption

Unlike simpler models, UTAUT introduces moderating variables—Age, Gender, Experience, and Voluntariness of Use—that affect how strongly the primary constructs influence acceptance.

KEY INSIGHT

For example, younger customers may adopt technology more quickly, while experienced users adapt faster. Whether usage is mandatory or voluntary also significantly impacts adoption rates.
04

CHAPTER 04

Emerging Computing Paradigms

Understanding the infrastructure that powers modern digital transformation: IoT, Cloud, Edge, and Fog Computing.

INTERNET OF THINGS

Connecting the Physical World

The Internet of Things (IoT) refers to a network of interconnected devices that collect, share, and act on data. From smart thermostats to connected cars, these devices constantly gather information.

Connecting the Physical World

The Industrial Internet of Things (IIoT) brings these concepts to manufacturing, improving efficiency. However, managing these devices introduces significant privacy and security challenges.

1

Cloud Computing

Delivers computing resources (storage, processing, software) over the internet. Offers scalability and centralized remote access (e.g., AWS, Google Drive).

2

Edge Computing

Processes data near its source (e.g., on IoT devices or local servers). Reduces latency and bandwidth usage, critical for real-time tasks like autonomous vehicles.

3

Fog Computing

Acts as a bridge between cloud and edge. Distributes processing tasks across local networks, analyzing data locally before sending summaries to the cloud.

ARCHITECTURE

Cloud Computing Overview

Cloud Computing Architecture

CONCLUSION

Summary

Technology adoption depends on perceived usefulness, ease of use, social influence, and facilitating conditions. Meanwhile, the infrastructure supporting these technologies has evolved from centralized cloud computing to distributed edge and fog architectures, enabling real-time IoT applications.

KEY TAKEAWAYS

  • TAM relies on Perceived Usefulness and Perceived Ease of Use.
  • UTAUT adds Social Influence, Facilitating Conditions, and moderating variables.
  • IoT connects devices to collect and share data.
  • Cloud provides centralized processing, while Edge and Fog bring computation closer to the data source.