An investigation into strategies employed in solving a programming task using Prolog. - Jawed Siddiqi; Babak Khazaei; Rick Osborn; Chris Roast (PPIG, 1995)

Further Investigations into the transfer effect of moving from procedural to logic programming. - Babak Khazaei; Jawed Siddiqi; Andreas Harnack; Rick Osborn; Chris Roast (PPIG, 1996)

Natural and Cultural Pre-dispositions. - Rick Osborn (PPIG, 1997)

Templates and tariffs - tools for empirical studies. - Babak Khazaei; Jawed I. A. Siddiqi; Rick Osborn; Chris Roast (Inf. Softw. Technol., 1998)