N.6
Materialien  aus  der  Bildungsforschung
Eberhard  Schröder
Katja  Bödeker
Wolfgang  Edelstein
in  collaboration  with
Thomas  Teo,
Julia  Haasemann,  and
Manuela  Timme
The  Development  of  Concrete  Thought
A  Manual  Including  Measurement  Procedures  and
Descriptive  Analyses
Study  „Individual  Development  and  Social  Structure'
Data  Handbooks  Part  1
Berlin  2000
Max-Planck-Institut  für  Bildungsforschung
e
Max  Planck  Institute  for  Human  Der