An experiment with the artificial aging of paper which--in contrast with the usual practice--was carried out at relatively low temperatures (i.e., 50-95 degrees Celsius), and not on laboratory handsheets, but on naturally aged paper from the commercial production of four centuries, produced results justifying the thesis that there may be at best…

This study considered the ability of small groups of students aged 13-15 years to structure and argue an evidentiary case in which the limitations of the evidence are recognized. The findings of this study indicate that these student groups had developed some of the characteristics of argumentation and group process skills used in building and…