typical, [233] ff.;
impulsive, [234] f., [244] f.;
studied in the reaction experiment, [236] ff.;
varies with shift of emphasis in instruction, [242], [252];
sensorimotor and ideomotor, [243], [251];
artificial and physiological reflex, [243] f., [251];
selective, [246] ff.;
by ‘trial and error,’ [247] f.;
volitional, [249] ff.;