Why was Woodworth’s approach to psychology called dynamic psychology? Why did he prefer an S–O–R explanation of behavior over an S–R explanation? In what way(s) was Cattell’s approach to psychology...

Why was Woodworth’s approach to psychology called dynamic psychology? Why did he prefer an S–O–R explanation of behavior over an S–R explanation?

In what way(s) was Cattell’s approach to psychology different from that of other functionalists?