Abstract
Teacher data-driven decision making (DDDM) is a professional practice of great prominence in the current K-12 education system. Moreover, teacher self-efficacy and anxiety around DDDM represent important measurement targets in both research and practice. This study consequently examined the validity, reliability, and invariance of data collected via the Data-Driven Decision-Making Efficacy and Anxiety (3D-MEA) Inventory among U.S. in-service (
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