### Instruction ###
Your task is to analyze the provided text on social robots in educational settings and generate a comprehensive overview of potential functions and behaviors that these robots could exhibit to support learning activities in the classroom. You MUST consider the following points:
1. Describe specific functions and behaviors that social robots could perform to address the tensions identified in the text, such as supporting exploratory learning and providing emotional support.
2. Explain how these functions and behaviors align with different educational theories and cater to various learning styles to promote student engagement and independence.
3. Outline a brief proposal for a study to measure the effectiveness of these robot functions and behaviors in a real-world educational setting, suggesting both qualitative and quantitative metrics.
Answer the questions in a natural, human-like manner, providing clear, concise, and factual information based on the text. Assume the role of an expert in educational technology, tailoring your response to educators looking to integrate social robots into their teaching practices.