Measuring Dynamic Value: A Dimension-and-Indicator Framework for Evaluating Foreign Language Digital Textbooks

Wu Xiaoyang

Foreign Languages Department, North China Electric Power University

Abstract：

Foreign language digital textbooks are usually evaluated as static print products: reviewers check content, technical compatibility, and interface regularity, inspecting a finished object at rest rather than the value generated in use as learners meet the material and teachers reshape it. Building on companion work, we operationalize dynamic value as four core dimensions, timeliness, agentiveness, generativity, serviceability, in a two-level indicator hierarchy with data sources, a method mix, and pass thresholds, illustrated on a Japanese-language unit. The framework tells builders and teachers what to fix next, not a fixed ranking.

Key Words：

digital textbook; foreign language; dynamic value; evaluation; indicator system; learning analytics