Here are a few options for the description of a WordPress post_tag titled “行為學” (Háng wéi xué) in Traditional Chinese, ranging from concise to slightly more elaborate:

**Option 1: Concise & Clear**

> 研究人類及動物行為的學科。
> (Yánjiū rénlèi jí dòngwù háng wéi de xuékē.)
> *Translation: The discipline that studies human and animal behavior.*

**Option 2: Slightly More Descriptive**

> 探索人類與動物行為模式、成因及影響的學問，涵蓋心理學、社會學及神經科學等領域。
> (Tànsuǒ rénlèi yǔ dòngwù háng wéi móshì, chéngyīn jí yǐngxiǎng de xuéwèn, hángài xīnlǐxué, shèhuìxué jí shénjīng kēxué děng lǐngyù.)
> *Translation: The study that explores behavior patterns, causes, and influences of humans and animals, encompassing fields like psychology, sociology, and neuroscience.*

**Option 3: Emphasizing Importance**

> 行為學是理解人與動物如何互動、適應環境，以及行為背後潛在機制的關鍵。
> (Háng wéi xué shì lǐjiě rén yǔ dòngwù rúhé hùdòng, shìyìng huánjìng, yǐjí háng wéi bèihòu qiánzài jīzhì de guānjiàn.)
> *Translation: Behavior studies is key to understanding how humans and animals interact, adapt to their environment, and the underlying mechanisms behind behavior.*

**Option 4: Focusing on Application (if the blog is practical-focused)**

> 探討如何應用行為學知識，改善人際關係、提升工作效率，以及改善生活習慣等。
> (Tàntǎo rúhé yìngyòng háng wéi xué zhīshì, gǎishàn rénjì guānxi, tíshēng gōngzuò xiàolǜ, yǐjí gǎishàn shēnghuó xíguàn děng.)
> *Translation: Exploring how to apply behavior science knowledge to improve interpersonal relationships, enhance work efficiency, and improve lifestyle habits, etc.*

**Recommendation:**

* **Choose Option 1 or 2** if you want a general and comprehensive description.
* **Choose Option 3** if the blog’s focus is on theoretical aspects.
* **Choose Option 4** if the blog emphasizes practical applications of behavioral knowledge.

Remember to choose the description that best fits the overall theme and audience of your WordPress blog. You can also adjust the descriptions slightly to better refine them according to your precise needs.