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UI-UX Design Tool-independent • Chapter 15

Task Flows

Every topic includes a plain-language explanation, exact steps, 10 practical examples, a hands-on example, expected output, common mistake, and practice task.

5 topics50 examples5 hands-on tasks10 Q&A
Practical course

15.1 Single Task

Single Task is a UI/UX design skill that helps make products easier to understand, use, test, and improve. The method should be tied to a real user problem instead of decoration alone.

Step by step

  1. Define the user problem connected to Single Task.
  2. Collect evidence before jumping to a polished solution.
  3. Create the smallest flow, sketch, wireframe, prototype, or test needed to answer the question.
  4. Test the design with realistic content, states, and device constraints.
  5. Record what you learned and change the design based on evidence rather than preference.

10 practical examples

  1. Apply Single Task to a course website and explain the decision you made.
  2. Apply Single Task to a online store and explain the decision you made.
  3. Apply Single Task to a banking app and explain the decision you made.
  4. Apply Single Task to a school portal and explain the decision you made.
  5. Apply Single Task to a clinic booking system and explain the decision you made.
  6. Apply Single Task to a dashboard and explain the decision you made.
  7. Apply Single Task to a restaurant site and explain the decision you made.
  8. Apply Single Task to a mobile app and explain the decision you made.
  9. Apply Single Task to a creator site and explain the decision you made.
  10. Apply Single Task to a business landing page and explain the decision you made.

Hands-on example

UI/UX PRACTICE
Problem: A user struggles with Single Task.
Evidence to collect: interview, observation, analytics, or usability result.
Artifact: flow, sketch, wireframe, prototype, or test plan.
Success measure: task completion, clarity, error reduction, or satisfaction.
Next step: test one assumption.

Expected output

A user-centered design artifact for Single Task plus a clear statement of what evidence would confirm or reject the design decision.

Common mistake: Treating Single Task as a visual preference instead of connecting it to a user need, constraint, or testable outcome.

Practice exercise

Create a fresh example for Single Task using a different product, screen, component, or content set. Explain what changed and why.

15.2 Happy Path

Happy Path is a UI/UX design skill that helps make products easier to understand, use, test, and improve. The method should be tied to a real user problem instead of decoration alone.

Step by step

  1. Define the user problem connected to Happy Path.
  2. Collect evidence before jumping to a polished solution.
  3. Create the smallest flow, sketch, wireframe, prototype, or test needed to answer the question.
  4. Test the design with realistic content, states, and device constraints.
  5. Record what you learned and change the design based on evidence rather than preference.

10 practical examples

  1. Apply Happy Path to a course website and explain the decision you made.
  2. Apply Happy Path to a online store and explain the decision you made.
  3. Apply Happy Path to a banking app and explain the decision you made.
  4. Apply Happy Path to a school portal and explain the decision you made.
  5. Apply Happy Path to a clinic booking system and explain the decision you made.
  6. Apply Happy Path to a dashboard and explain the decision you made.
  7. Apply Happy Path to a restaurant site and explain the decision you made.
  8. Apply Happy Path to a mobile app and explain the decision you made.
  9. Apply Happy Path to a creator site and explain the decision you made.
  10. Apply Happy Path to a business landing page and explain the decision you made.

Hands-on example

UI/UX PRACTICE
Problem: A user struggles with Happy Path.
Evidence to collect: interview, observation, analytics, or usability result.
Artifact: flow, sketch, wireframe, prototype, or test plan.
Success measure: task completion, clarity, error reduction, or satisfaction.
Next step: test one assumption.

Expected output

A user-centered design artifact for Happy Path plus a clear statement of what evidence would confirm or reject the design decision.

Common mistake: Treating Happy Path as a visual preference instead of connecting it to a user need, constraint, or testable outcome.

Practice exercise

Create a fresh example for Happy Path using a different product, screen, component, or content set. Explain what changed and why.

15.3 Alternative Path

Alternative Path is a UI/UX design skill that helps make products easier to understand, use, test, and improve. The method should be tied to a real user problem instead of decoration alone.

Step by step

  1. Define the user problem connected to Alternative Path.
  2. Collect evidence before jumping to a polished solution.
  3. Create the smallest flow, sketch, wireframe, prototype, or test needed to answer the question.
  4. Test the design with realistic content, states, and device constraints.
  5. Record what you learned and change the design based on evidence rather than preference.

10 practical examples

  1. Apply Alternative Path to a course website and explain the decision you made.
  2. Apply Alternative Path to a online store and explain the decision you made.
  3. Apply Alternative Path to a banking app and explain the decision you made.
  4. Apply Alternative Path to a school portal and explain the decision you made.
  5. Apply Alternative Path to a clinic booking system and explain the decision you made.
  6. Apply Alternative Path to a dashboard and explain the decision you made.
  7. Apply Alternative Path to a restaurant site and explain the decision you made.
  8. Apply Alternative Path to a mobile app and explain the decision you made.
  9. Apply Alternative Path to a creator site and explain the decision you made.
  10. Apply Alternative Path to a business landing page and explain the decision you made.

Hands-on example

UI/UX PRACTICE
Problem: A user struggles with Alternative Path.
Evidence to collect: interview, observation, analytics, or usability result.
Artifact: flow, sketch, wireframe, prototype, or test plan.
Success measure: task completion, clarity, error reduction, or satisfaction.
Next step: test one assumption.

Expected output

A user-centered design artifact for Alternative Path plus a clear statement of what evidence would confirm or reject the design decision.

Common mistake: Treating Alternative Path as a visual preference instead of connecting it to a user need, constraint, or testable outcome.

Practice exercise

Create a fresh example for Alternative Path using a different product, screen, component, or content set. Explain what changed and why.

15.4 Failure Path

Failure Path is a UI/UX design skill that helps make products easier to understand, use, test, and improve. The method should be tied to a real user problem instead of decoration alone.

Step by step

  1. Define the user problem connected to Failure Path.
  2. Collect evidence before jumping to a polished solution.
  3. Create the smallest flow, sketch, wireframe, prototype, or test needed to answer the question.
  4. Test the design with realistic content, states, and device constraints.
  5. Record what you learned and change the design based on evidence rather than preference.

10 practical examples

  1. Apply Failure Path to a course website and explain the decision you made.
  2. Apply Failure Path to a online store and explain the decision you made.
  3. Apply Failure Path to a banking app and explain the decision you made.
  4. Apply Failure Path to a school portal and explain the decision you made.
  5. Apply Failure Path to a clinic booking system and explain the decision you made.
  6. Apply Failure Path to a dashboard and explain the decision you made.
  7. Apply Failure Path to a restaurant site and explain the decision you made.
  8. Apply Failure Path to a mobile app and explain the decision you made.
  9. Apply Failure Path to a creator site and explain the decision you made.
  10. Apply Failure Path to a business landing page and explain the decision you made.

Hands-on example

UI/UX PRACTICE
Problem: A user struggles with Failure Path.
Evidence to collect: interview, observation, analytics, or usability result.
Artifact: flow, sketch, wireframe, prototype, or test plan.
Success measure: task completion, clarity, error reduction, or satisfaction.
Next step: test one assumption.

Expected output

A user-centered design artifact for Failure Path plus a clear statement of what evidence would confirm or reject the design decision.

Common mistake: Treating Failure Path as a visual preference instead of connecting it to a user need, constraint, or testable outcome.

Practice exercise

Create a fresh example for Failure Path using a different product, screen, component, or content set. Explain what changed and why.

15.5 Completion

Completion is a UI/UX design skill that helps make products easier to understand, use, test, and improve. The method should be tied to a real user problem instead of decoration alone.

Step by step

  1. Define the user problem connected to Completion.
  2. Collect evidence before jumping to a polished solution.
  3. Create the smallest flow, sketch, wireframe, prototype, or test needed to answer the question.
  4. Test the design with realistic content, states, and device constraints.
  5. Record what you learned and change the design based on evidence rather than preference.

10 practical examples

  1. Apply Completion to a course website and explain the decision you made.
  2. Apply Completion to a online store and explain the decision you made.
  3. Apply Completion to a banking app and explain the decision you made.
  4. Apply Completion to a school portal and explain the decision you made.
  5. Apply Completion to a clinic booking system and explain the decision you made.
  6. Apply Completion to a dashboard and explain the decision you made.
  7. Apply Completion to a restaurant site and explain the decision you made.
  8. Apply Completion to a mobile app and explain the decision you made.
  9. Apply Completion to a creator site and explain the decision you made.
  10. Apply Completion to a business landing page and explain the decision you made.

Hands-on example

UI/UX PRACTICE
Problem: A user struggles with Completion.
Evidence to collect: interview, observation, analytics, or usability result.
Artifact: flow, sketch, wireframe, prototype, or test plan.
Success measure: task completion, clarity, error reduction, or satisfaction.
Next step: test one assumption.

Expected output

A user-centered design artifact for Completion plus a clear statement of what evidence would confirm or reject the design decision.

Common mistake: Treating Completion as a visual preference instead of connecting it to a user need, constraint, or testable outcome.

Practice exercise

Create a fresh example for Completion using a different product, screen, component, or content set. Explain what changed and why.

Chapter 15 review — 10 questions and answers

1. What is the main purpose of Single Task?

Answer: Single Task is a UI/UX design skill that helps make products easier to understand, use, test, and improve. The method should be tied to a real user problem instead of decoration alone.

2. What is a common mistake with Single Task?

Answer: Treating Single Task as a visual preference instead of connecting it to a user need, constraint, or testable outcome.

3. What is the main purpose of Happy Path?

Answer: Happy Path is a UI/UX design skill that helps make products easier to understand, use, test, and improve. The method should be tied to a real user problem instead of decoration alone.

4. What is a common mistake with Happy Path?

Answer: Treating Happy Path as a visual preference instead of connecting it to a user need, constraint, or testable outcome.

5. What is the main purpose of Alternative Path?

Answer: Alternative Path is a UI/UX design skill that helps make products easier to understand, use, test, and improve. The method should be tied to a real user problem instead of decoration alone.

6. What is a common mistake with Alternative Path?

Answer: Treating Alternative Path as a visual preference instead of connecting it to a user need, constraint, or testable outcome.

7. What is the main purpose of Failure Path?

Answer: Failure Path is a UI/UX design skill that helps make products easier to understand, use, test, and improve. The method should be tied to a real user problem instead of decoration alone.

8. What is a common mistake with Failure Path?

Answer: Treating Failure Path as a visual preference instead of connecting it to a user need, constraint, or testable outcome.

9. What is the main purpose of Completion?

Answer: Completion is a UI/UX design skill that helps make products easier to understand, use, test, and improve. The method should be tied to a real user problem instead of decoration alone.

10. What is a common mistake with Completion?

Answer: Treating Completion as a visual preference instead of connecting it to a user need, constraint, or testable outcome.