Ranschburg's apparatus for investigation of comprehension, association, and memory

(Apparatus zur Untersuchung der Auffassung, Association, und des Gedächtnisses nach Ranschburg)

This apparatus was used for the presentation of verbal stimuli at variable rates. The apparatus is shown with Römer's sound-key (switch) and a Hipp Chronoscope for measuring reaction time . In addition, there was a switch which was used for timing the stimulus presentations. (Expanded caption Copyright 1998, Edward J. Haupt)
(Source: None given.)
Source of illustration: Zimmermann, E. (1903). XVIII. Preis- Liste über psychologische und physiologische Apparate (p. 14). Leipzig: Eduard Zimmermann.

DESCRIPTORS:
Type: research
Stimulus: syllables, words
System: memory, vision
Output: number of trials