001-MI- (1 Set includes 1 division of attention board with a set of counters and built in rectifier with administrator manual)
Division of Attention Box (with electrical counters)
The effect of divided attention on the performance can be studied in the laboratory using this instrument. This Electrical wooden instrument top has two different patterns (a triangle & a circle) with a grove. The subject can trace the path with the stylus provide. A set of reset type impulse counters which are electrically connected will record the number of traces made by the subject.