One of the main components of educational technology is data-driven instruction (DDI). This type of instruction uses data to provide learners with personalized learning experiences that are tailored to their needs. DDI can improve the efficiency of instruction by helping teachers identify which topics students need help with and honing in on those topics to increase student engagement and achievement.
Sum up the main points of the given paragraph.
数据驱动型教学（DDI）使用数据来提高教学效率，帮助教师确定学生需要帮助的主题，聚焦这些主题以增加学生的参与度和成就感，并为学习者提供个性化的学习体验。