1. Briefly outline Helmholtz’s technique for measuring the speed of conduction of a nervous impulse. Approximately what was the speed? 2. Why is the work of Jacques Quételet so important in the...

1. Briefly outline Helmholtz’s technique for measuring the speed of conduction of a nervous impulse. Approximately what was the speed?

2. Why is the work of Jacques Quételet so important in the history of psychology?

3. Briefly outline Francis Galton’s contributions to the development of quantitative techniques.