bias box

例句：

1. 1. The bias box is a tool used to measure the accuracy of a machine's readings.
   偏见箱是一种用来测量机器读数准确性的工具。
2. 2.The bias box was designed to help people identify and correct their own biases.
   偏见箱被设计来帮助人们识别和纠正自己的偏见。
3. 3.The bias box was used in the study to test the effectiveness of different methods for reducing bias.
   偏见箱在研究中用于测试不同方法减少偏见的有效性。