In language development, which aspect is primarily concerned with a student's internal drive to learn?

Intrinsic motivation is the correct choice because it refers to the internal drive that students have to engage in learning activities for their own satisfaction and personal growth. When students are intrinsically motivated, they learn because they find the process enjoyable, interesting, or fulfilling. This internal drive often leads to deeper engagement with the material, as students seek knowledge and understanding for the pleasure it brings them rather than for external rewards or recognition.

In contrast, extrinsic motivation involves external factors, such as grades or praise, that drive a student's behavior. Social motivation focuses on learning influenced by social interactions and the desire to fit in with peers. Peer motivation emphasizes the influence peers can have on an individual’s motivation to learn, which is still tied to external factors rather than a personal internal drive. Ultimately, intrinsic motivation is what most significantly fuels a student's curiosity and passion for learning, making it a fundamental aspect of language development.