Plan a tree test

Help me plan a tree test.
Inputs: navigation tree; key tasks.

1. Write tasks without exposing destination labels.
2. track first paths, success and backtracking.
3. diagnose grouping, naming and depth from evidence.

Deliver: Objectives, Prepared tree, Tasks, Participants, Setup, Analysis plan, Decision rules.
Clarify critical gaps, separate facts from assumptions, and do not invent data, citations or completed actions.

My material: [fill in here]

Before you start

Provide navigation tree; key tasks.