The hypotheses that interpersonal learning is more effective than individual learning in nonlinear tasks but that students learn relatively less from their teachers when the teachers have to teach a complex nonlinear rule than when they have to teach a simple linear rule was tested in an experiment following the social judgment theory…

This report presents the working model for a study to evaluate methods of teaching German in Sweden. The study, which has construction, revision, and normalization phases, involves researchers, textbook authors, publishers, teachers, and students (including a student control group). The questions to be considered are: (1) What verbal intelligence,…