Replication data for: Developing Textbooks to Improve Math Learning in Primary Education: Empirical Evidence from El Salvador

Replication Data for Developing Textbooks to Improve Math Learning in Primary Education: Empirical Evidence from El Salvador. Please refer to the data and software file first and then follow the instructions in the R code files.

本数据集为「改进小学数学学习的教材开发」研究的复现数据集：来自萨尔瓦多的实证证据。请先查阅数据与软件文件，随后按照R代码文件中的指示进行操作。