Here are a few options for a WordPress tag description for “自我決定論” (Self-Determination Theory) in Traditional Chinese, each with a slightly different emphasis:

**Option 1 (Concise & General):**

> 自我決定論是一種探討人類動機、幸福感及心理發展的理論。它關注個人對自主性、胜任能力及聯繫的需求。 (Zìwǒ juédìng lùn shì yī zhǒng tàn tǎo rénlèi dòngjī, xìngfú gǎn jí xīnlǐ fāzhǎn de lǐlùn. Tā guānzhù gèrén duì zìzhǔ xìng, shèngtèn nénglì jí liánxì de xūqiú.)
>
> *Translation: Self-Determination Theory is a theory that explores human motivation, well-being and psychological development. It focuses on the individual’s needs for autonomy, competence, and relatedness.*

**Explanation:**

* Clear and to the point.
* Provides a basic understanding of the theory.
* Mentions the key components.

**Option 2 (More Detailed & Contextual):**

> 自我決定論 (Self-Determination Theory) 是一個重要的心理學理論，探討了人類內在動機如何影響行為、幸福感和心理健康。它強調人們對自主性 (Autonomy)、胜任能力 (Competence) 和聯繫感 (Relatedness) 的基本心理需求。 這個標籤下的文章將探討自我決定論在教育、工作、健康和生活等不同領域的應用及影響。 (Zìwǒ juédìng lùn (Self-Determination Theory) shì yī ge zhòngyào de xīnlǐxué lǐlùn, tàn tǎo le rénlèi nèizài dòngjī rúhé yǐngxiǎng xíngwéi, xìngfú gǎn hé xīnlǐ jiànkāng. Tā qiángdiào rénmen duì zìzhǔ xìng (Autonomy), shèngtèn nénglì (Competence) hé liánxì gǎn (Relatedness) de jīběn xīnlǐ xūqiú. Zhège biāoqiān xià de wénzhāng jiāng tàn tǎo zìwǒ juédìng lùn zài jiàoyù, gōngzuò, jiànkāng hé shēnghuó děng bùtóng lǐngyù de yìngyòng jí yǐngxiǎng.)
>
> *Translation: Self-Determination Theory is an important psychological theory that explores how human intrinsic motivation affects behavior, well-being, and mental health. It emphasizes people’s basic psychological needs for autonomy, competence, and relatedness. Articles under this tag will explore the applications and impacts of Self-Determination Theory in different fields such as education, work, health, and life.*

**Explanation:**

* Provides a more in-depth explanation.
* Connects the theory to its practical applications.
* Includes English name for clarity.
* Targets a wider audience interested in different fields.

**Option 3 (Emphasizing Actions & Benefits):**

> 了解自我決定論，擁抱自主性、勝任能力和聯繫感，提升你的生活質量。這個標籤下的文章將深入探討如何應用自我決定論的原則來增進動機、建立健康的關係、實現個人成長，並在各個領域取得成功。 (Liǎojiě zìwǒ juédìng lùn, yōng bào zìzhǔ xìng, shèngtèn nénglì hé liánxì gǎn, tíshēng nǐ de shēnghuó zhìliàng. Zhège biāoqiān xià de wénzhāng jiāng shēnrù tàn tǎo rúhé yìngyòng zìwǒ juédìng lùn de yuánzé lái zēngjìn dòngjī, jiànlì jiànkāng de guānxi, shíxiàn gèrén chéngzhǎng, bìng zài gège lǐngyù qǔdé chénggōng.)
>
> *Translation: Understand Self-Determination Theory, embrace autonomy, competence, and relatedness, and improve your quality of life. Articles under this tag will delve into how to apply the principles of Self-Determination Theory to enhance motivation, build healthy relationships, achieve personal growth, and succeed in various fields.*

**Explanation:**

* Focuses on the benefits and practical application.
* Encourages the reader to take action.
* More inspiring and motivational for the reader.

**Choosing the Best Option:**

The best option depends on your WordPress site and the audience you’re targeting. Consider:

* **Your overall style:** Are you more academic, practical, inspirational, or a mix?
* **Your target audience:** Are they experts, students, or a general audience?
* **The purpose of the tag:** Do you want to educate, motivate, or both?

I recommend starting with either Option 1 or Option 2 if you have a more academic and educational focus, and then refining them based on the feedback you receive. If you want something more inspiring, choose Option 3. Remember to tailor the description to match the content you’ll be tagging!