This thesis deals with "large-scale" detection problems that arise in many real world applications such as sensor networks, mapping with mobile robots and group testing for biological screening and drug discovery. These are problems where the values of a large number of inputs need to be inferred from noisy observations and where the…

A total of 24 four-year-old children were posed with the paired-associate task of learning where 9 different animals lived, using apparatus designed for self instruction through picture matching. In Experiment I, children, who were taught to prompt themselves as needed by referring to a picture book, attained almost perfect scores, significantly…