In search of the information literacy training ‘half-life’.

The article discusses information literacy training. Many in the field have become increasingly concerned with the training's effectiveness, since it is difficult to know whether or not it is effective. The author discusses the concept of learning "half life," which is defined as the period of time over which students forget half of what they have been taught. A scientific investigation of the phenomenon is included, focusing on the likely period for knowledge degradation and how it can inform an approach to information literacy training.