To create interactive quizzes or activities to engage employees during training sessions on 'Risk-Based Thinking' in ISO 9001:2015, you can incorporate the following strategies:

1. **Scenario-Based Quizzes**: Develop quizzes that present real-life scenarios related to risk-based thinking. Ask employees to identify potential risks and suggest actions to mitigate them.

2. **Role-Playing Games**: Organize role-playing activities where employees act out different roles within a process and identify risks and opportunities from their perspectives.

3. **Group Discussions**: Facilitate group discussions where employees brainstorm potential risks in their daily operations and propose solutions collaboratively.

4. **Interactive Flowcharts**: Use flowcharts to map processes and ask employees to identify what can go wrong at each step, discussing how to address these risks.

5. **SWOT Analysis**: Conduct a SWOT analysis session where employees assess strengths, weaknesses, opportunities, and threats related to their roles and processes.

6. **Risk Matrix Exercises**: Create exercises where employees use a risk matrix to evaluate the relevance and impact of identified risks, promoting critical thinking.

These activities can help employees internalize the concept of risk-based thinking and apply it effectively in their work.