Here are a few options for the description of the “皮亞傑” WordPress post tag, in Traditional Chinese, depending on what you emphasize:

**Option 1: Concise & Clear (Good for general use)**

> 描述: 關於瑞士心理學家皮亞傑 (Jean Piaget) 的文章，涵蓋他的認知發展理論、研究成果，以及對教育學的影響。
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> *Translation: Description: Articles about Swiss psychologist Jean Piaget, covering his theory of cognitive development, research findings, and his influence on pedagogy.*

**Option 2: Focus on Key Concepts (If your content dives into the core ideas)**

> 描述: 探討皮亞傑的認知發展階段，包括感覺動作期、前運算期、具體運算期、形式運算期等，以及他的圖式、同化、調節等關鍵概念。
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> *Translation: Description: Exploring Piaget’s stages of cognitive development, including the sensorimotor stage, preoperational stage, concrete operational stage, and formal operational stage, as well as his key concepts of schema, assimilation, and accommodation.*

**Option 3: Highlighting the Importance (Good for educational/academic blogs)**

> 描述: 皮亞傑 (Jean Piaget) 對兒童心理學和教育學的巨大貢獻的探討。包括他的經典實驗、理論模型和對我們理解兒童如何思考和學習的深刻影響。
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> *Translation: Description: An exploration of the significant contributions of Jean Piaget to child psychology and pedagogy. Includes his classic experiments, theoretical models, and profound influence on our understanding of how children think and learn.*

**Option 4: More Casual & User-Friendly (If your blog is more informal)**

> 描述: 關於皮亞傑的研究和想法! 了解這位瑞士心理學家如何改變了我們對小孩的看法，還有他的理論對教育有多重要。
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> *Translation: Description: About Piaget’s research and ideas! Learn how this Swiss psychologist changed the way we see children, and how important his theories are for education.*

**How to Choose the Best Option:**

* **Consider your blog’s target audience:** Are they academics, educators, parents, or a general audience?
* **Reflect the content of your posts using this tag:** What aspects of Piaget’s work do you focus on most?
* **Keep it concise:** WordPress tag descriptions usually fit better if they aren’t too long.

Remember to choose the description that best reflects the content tagged with “皮亞傑” on your blog and resonates with your audience. You can also modify these starting points to better fit your specific needs.