Final answer:
True, educational anthropology, business anthropology, and urban anthropology are specializations within cultural anthropology, each exploring different aspects of human cultures in various contexts.
Step-by-step explanation:
Educational anthropology, business anthropology, and urban anthropology are indeed specializations within the broader subdiscipline of cultural anthropology. This makes the answer to the student's question true. Cultural anthropology is devoted to understanding and explaining the wide variety of human cultures, focusing on elements such as social thought, action, rituals, values, and institutions. Educational anthropology looks into how education systems are shaped by and reflect cultural values. Business anthropology examines the cultural dimensions of business practices and consumer behaviour, and urban anthropology investigates the social and cultural life in urban settings.