Upload Hegarty dataset with 2x3 design structure

README.md

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+---
+license: cc-by-4.0
+task_categories:
+- visual-question-answering
+- multiple-choice
+language:
+- en
+pretty_name: Hegarty Dataset
+size_categories:
+- 10K<n<100K
+tags:
+- spatial-reasoning
+- perspective-taking
+- visual-reasoning
+- cognitive-science
+- vision-language
+configs:
+- config_name: lab_visual_access
+  description: Lab setting - Visual Access Reasoning (Can you see X from viewpoint Y?)
+- config_name: lab_mental_reasoning
+  description: Lab setting - Mental Reasoning (Spatial relationships between objects)
+- config_name: lab_perspective_taking
+  description: Lab setting - Perspective-Taking Reasoning (What can another observer see?)
+- config_name: real_visual_access
+  description: Real-world setting - Visual Access Reasoning
+- config_name: real_mental_reasoning
+  description: Real-world setting - Mental Reasoning
+- config_name: real_perspective_taking
+  description: Real-world setting - Perspective-Taking Reasoning
+---
+
+# Hegarty Dataset
+
+## 🏔️ Overview
+
+The **Hegarty Dataset** is a comprehensive benchmark for evaluating spatial reasoning and perspective-taking abilities in vision-language models. Inspired by Piaget's classic Three Mountains Task, this dataset provides a systematic evaluation across three cognitive dimensions in both controlled lab and real-world settings.
+
+## 📊 Dataset Structure
+
+### 2×3 Design
+- **2 Settings**: Lab (controlled) and Real-world
+- **3 Task Types**: 
+  - **Visual Access Reasoning**: Determining object visibility from different viewpoints
+  - **Mental Reasoning**: Understanding spatial relationships between objects
+  - **Perspective-Taking Reasoning**: Understanding what others can see from their viewpoint
+
+### Dataset Statistics
+
+| Setting | Task Type | Samples | Description |
+|---------|-----------|---------|-------------|
+| Lab | Visual Access | ~1,000 | Controlled geometric scenarios |
+| Lab | Mental Reasoning | ~500 | Spatial relationship tasks |
+| Lab | Perspective-Taking | ~300 | Other-perspective understanding |
+| Real | Visual Access | ~2,000 | Real-world ego-exo scenarios |
+| Real | Mental Reasoning | ~2,000 | Natural spatial reasoning |
+| Real | Perspective-Taking | ~2,000 | Real-world perspective-taking |
+
+## 🎯 Task Descriptions
+
+### Visual Access Reasoning (formerly Perspective-Taking L1)
+- **Question**: "Can you see object X from viewpoint Y?"
+- **Format**: Binary (Yes/No) or Multiple Choice
+- **Cognitive Ability**: Basic visual perspective-taking
+
+### Mental Reasoning (formerly Spatiality)
+- **Question**: "What is the spatial relationship between objects?"
+- **Format**: Multiple Choice (4 options)
+- **Cognitive Ability**: Spatial reasoning and mental rotation
+
+### Perspective-Taking Reasoning (formerly Perspective-Taking L2)
+- **Question**: "What can the observer at position X see?"
+- **Format**: Multiple Choice (4 options)
+- **Cognitive Ability**: Theory of mind and advanced perspective-taking
+
+## 💡 Usage
+
+```python
+from datasets import load_dataset
+
+# Load specific configuration
+dataset = load_dataset("Hokin/hegarty", "lab_visual_access")
+
+# Load all lab settings
+lab_data = {
+    'visual_access': load_dataset("Hokin/hegarty", "lab_visual_access"),
+    'mental_reasoning': load_dataset("Hokin/hegarty", "lab_mental_reasoning"),
+    'perspective_taking': load_dataset("Hokin/hegarty", "lab_perspective_taking")
+}
+
+# Load all real-world settings
+real_data = {
+    'visual_access': load_dataset("Hokin/hegarty", "real_visual_access"),
+    'mental_reasoning': load_dataset("Hokin/hegarty", "real_mental_reasoning"),
+    'perspective_taking': load_dataset("Hokin/hegarty", "real_perspective_taking")
+}
+```
+
+## 📈 Model Performance
+
+Current state-of-the-art models show significant gaps compared to human performance:
+- **Humans**: 80-93% accuracy across all tasks
+- **Best AI Models**: 30-55% accuracy
+- **Key Finding**: Models perform better on visual access than mental reasoning or perspective-taking
+
+## 🔗 Related Resources
+
+- **Paper**: [Coming Soon]
+- **GitHub**: [grow-ai-like-a-child/hegarty](https://github.com/grow-ai-like-a-child/hegarty)
+- **Leaderboard**: [Coming Soon]
+
+## 📝 Citation
+
+```bibtex
+@dataset{three_mountain_2024,
+  title={Hegarty: A Comprehensive Benchmark for Spatial Reasoning and Perspective-Taking},
+  author={Hokin Deng and Contributors},
+  year={2024},
+  publisher={HuggingFace}
+}
+```
+
+## 📄 License
+
+This dataset is released under the Creative Commons Attribution 4.0 International (CC BY 4.0) license.
+
+## 🤝 Contributing
+
+We welcome contributions! Please see our GitHub repository for guidelines.
+
+## 🏷️ Tags
+
+`spatial-reasoning` `perspective-taking` `visual-reasoning` `cognitive-science` `vision-language` `benchmark` `evaluation`

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