more links

http://copland.udel.edu/~jconway/EDST666.htm#Introduction

http://www2.cddc.vt.edu/marxists/archive/vygotsky/works/1926/educational-psychology/ch13.htm

http://en.wikipedia.org/wiki/Cognitive_psychology

http://carbon.cudenver.edu/~mryder/itc_data/soc_construction.html

http://www.jefflindsay.com/EducData.shtml

http://en.wikipedia.org/wiki/Erudition