ANS training for preschoolers

The data include pre- and posttest of 87 preschoolers (including informal mathematical abilities, ANS acuity, general intelligence, working memory, and inhibitory control abilities) and the proof of reliability and effectiveness of ANS comparison training and ANS arithmetic training.本数据集包含87名学龄前儿童的前测与后测数据，测试指标涵盖非形式化数学能力、近似数字系统（Approximate Number System, ANS）敏锐度、一般智力、工作记忆及抑制控制能力；同时收录了近似数字系统比较训练与近似数字系统算术训练的信效度验证资料。