Health Information Source Ladder

Open the interactive poster full screen

Use Explore mode to select a marker or section. Use Quiz mode to practice finding each idea.

1. Expert Guidance — Qualified professionals can apply training to a specific question.
2. Public Health Source — Accountable agencies can synthesize evidence and issue population guidance.
3. Research Evidence — Research can test claims systematically.
4. Personal Story — Lived experience provides meaning, context, and questions that data may miss.
5. Ad or Influencer — Promotional content may be engaging but has a goal and possible conflicts.

Teachers and editors can open calibration mode to adjust overlay positions.