Abstract

Contents: Part I. Probability and the Idealizational Theory of Science. Marek GAUL: Statistical dependencies, statements and the idealizational theory of science. Part II. Probability - theoretical concepts in psychology - measurement. Douglas WAHLSTEN: Probability and the understanding of individual differences. Bodo KRAUSE: Modeling cognitive learning steps. Dieter HEYER, and Rainer MAUSFELD: A theoretical and experimental inquiry into the relation of theoretical concepts and probabilistic measurement scales in experimental psychology. Part III. Methods of data analysis. Tadeusz B. IWINSKI: Rough set methods in psychology. Wilma KOUTSTAAL, and Robert ROSENTHAL: Contrast analysi in behavioral research. Part IV. Artifacts in psychological research and diagnostic assessment. David B. STROHMETZ, and Ralph L. ROSNOW: A mediational model of research artifacts. Jerzy BRZEZINSKI: Dimensions of diagnostic space