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PTA 402 · Unit 2 of 6

User Interviews and Observational Research

Product Discovery, UX and Experimentation

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Learning objectives

After completing this unit, you will be able to:

  • Use SignalStack metrics with explicit definitions and checks
  • Apply the frameworks in "User Interviews and Observational Research" to a real management decision
  • Make progress on your SignalStack decision memo applied project

Why this matters

Say-do gaps misroute UX investment toward visible features instead of trust repair.

Lesson

Unit overview

Complete all 4 lessons in order. Each lesson follows the program gold standard: SignalStack scenarios, worked examples, practice problems, and managerial judgment prompts tied to User Interviews and Observational Research.

Connection to applied work

This unit feeds directly into SignalStack decision memo. As you read, capture notes, examples, and data you can reuse in that deliverable. Strong students finish each unit with a draft section of their project, not just highlights.

Practice

  1. Write a one-page summary of this unit in your own words without looking at the lesson.
  2. Find a real company example (public filing, news article, or personal experience) that illustrates the main concept.
  3. Draft one paragraph recommending an action a manager should take based on this unit.
  4. Add at least three terms from this unit to your course glossary.

Knowledge check

Answer these without notes before marking the unit complete:

  1. What is the central idea of "User Interviews and Observational Research"?
  2. What mistake do beginners most often make when applying this material?
  3. How does this unit help you complete SignalStack decision memo?
  4. What is one decision you face this month where this unit applies?

Key takeaways

  • Use SignalStack metrics with explicit definitions and checks
  • Business concepts only matter when they change a decision.
  • Your PTA 402 assessment (User Interviews and Observational Research for Product Discovery, UX and Experimentation using SignalStack applied examples.) rewards applied understanding, not memorization.

Unit assessment

Complete each section below. Score 80%+ on the quiz to finish this unit's assessment.

50% applied project30% case work20% knowledge checks

Exercises

Apply what you learned in this unit with structured practice.

ExerciseApplied practice: User Interviews and Observational Research45 min
Complete a focused practice exercise on **User Interviews and Observational Research**. 1. Choose a real company, product, or situation you know. 2. Apply one core framework from this unit to analyze it. 3. Write your analysis in 300–500 words with a clear recommendation. 4. Cite at least one credible source.

Deliverable

300–500 word analysis document saved to your portfolio under PTA 402.

Rubric

  • • Framework applied correctly (not just named)
  • • Specific evidence from a real example
  • • Clear recommendation with tradeoffs acknowledged
  • • Professional writing with source citation
ExerciseDrill: User Interviews and Observational Research30 min
Work through the practice problems in the unit lesson without looking at notes. Then check your work against the lesson and write a short reflection: - What you got right - One mistake you caught - One concept to review before the next unit

Deliverable

Problem solutions + 150-word reflection in your PTA 402 workbook.

Rubric

  • • Attempted all practice items before checking answers
  • • Honest reflection on errors
  • • Identifies a specific review action

Case analysis

Analyze a case using frameworks from this unit.

CaseCase analysis: User Interviews and Observational Research60 min
Analyze a real business case through the lens of **User Interviews and Observational Research**. Choose a public company event, HBR-style case, or documented decision. **Deliverable structure:** 1. Situation summary (150 words) 2. Analysis using this unit's frameworks (400 words) 3. Recommendation (150 words) 4. Risks and what would change your mind

Deliverable

2-page case write-up in your portfolio.

Rubric

  • • Case facts are accurate and sourced
  • • Analysis uses unit frameworks explicitly
  • • Recommendation is justified with tradeoffs
  • • Risks are specific, not generic

Knowledge quiz

Check your understanding before marking the unit complete.

1. SignalStack's Maya Chen faces: "Customers said they love AI suggestions, but observation showed engineers disabling them after one bad merge." Which decision frame is strongest?

2. Which term from User Interviews and Observational Research is defined correctly for SignalStack?

3. Priya Nair reviews evidence for User Interviews and Observational Research. Which label is appropriate after 12 customer interviews showing a recurring theme?

4. Which mistake is most common when applying User Interviews and Observational Research at dev-tools scale?

5. SignalStack reports $18M ARR and 92,000 DAU. Why does User Interviews and Observational Research discipline matter at this scale?

6. Which framework mapping fits User Interviews and Observational Research at SignalStack?

7. Dev Okonkwo warns about inference cost and reliability. Which guardrail metric fits User Interviews and Observational Research?

8. Integrating PTA 402 for SignalStack, strongest next test after descriptive dashboard read is usually:

Next unit: Problem Framing and Journey Mapping →