Update README.md

README.md

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----
-license: mit
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+---
+license: mit
+tags:
+- medical
+- big5
+- big-five
+- psychology
+- ipip300
+size_categories:
+- 10M<n<100M
+---
+
+The **IPIP-300** is a psychological inventory based on the **Big Five** model (or the five major personality factors), developed as part of the International Personality Item Pool (**IPIP**).
+
+This version uses scores calculated with the [Five-Factor-E](https://github.com/NeuroQuestAi/five-factor-e) library, providing accurate and reliable analysis of personality traits.
+
+Comprising 300 items, it provides a comprehensive assessment of the five major personality traits:
+
+- Openness
+- Conscientiousness
+- Extraversion
+- Agreeableness
+- Neuroticism
+
+The IPIP-300 is widely used in academic research and projects that require a detailed and accurate analysis of personality. The larger number of items allows for a more robust and in-depth evaluation of the specific subfacets within each trait.
+
+More information:
+
+- https://github.com/NeuroQuestAi/ipip-neo-data
+- https://osf.io/tbmh5/