Even the most well planned experiment means little if the evidence collected isn’t properly analysed. Following the progress of four scientists researching the problem of urban light pollution from four different angles, middle and senior secondary viewers will gain valuable information about the methods and technologies available for data analysis and how to avoid research bias.

Originally released by ClickView/VEA, 2019. Streaming video file encoded with permission for digital streaming by Infobase on December 18, 2019.

Considering the Evidence (8:24); .