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• Observation - 5 Tips Video
• Observation - A Critical Leadership Skill
• Observation and Deduction
• Observation Glossary Map
• Observation; Obstacles to Critical Thinking
• Observation: Five Senses
• Observation: Moon Illusion
• Observe: How Many Dolphins?
• Observe: How Many Hearts

• Obstacles summary
• Obstacles to Critical Thinking - TPCT C2 Summary
• Obstacles to Critical Thinking Video

• Opinion - Quotes
• Opinion and reading skills video
• Opinions - Evaluations - Reading
• Opinions - Web Links
• Opinions and Critical Thinking Fast and Slow Video
• Opinions Influence Video
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