Würzburg school A group of psychologists under the influence of Oswald Külpe at the University of Würzburg. Among other things, this group found that some thoughts occur without a specific referent (that is, they are imageless), the higher mental processes could be studied experimentally, and problems have motivational properties that persist until the problem is solved.
Stimulus error Letting past experience influence an introspective report.
Structuralism The school of psychology founded by Titchener, the goal of which was to describe the structure of the mind.
Stumpf, Carl (1848–1936) Psychologist who was primarily interested in musical perception and who insisted that psychology study intact, meaningful mental experiences instead of searching for meaningless mental elements.
Tridimensional theory of feeling Wundt’s contention that feelings vary along three dimensions: pleasantness-unpleasantness, excitement-calm, and strain-relaxation.