Vertrouwen hebben is goed, in controle zijn is beter Confidence is good, but to be in control is better La confianza esta bien, pero el control es mejor... La informacion suele ser buena, la realimentacion es esencial Information is important but feedback is essential Informatie is belangrijk, maar feedback is essentieel Our journey to write a general introduction to control and feedback started with the realisation that in our chosen field of study the proponents have taken little time to project the main ideas outside the community of the initiated. We are constantly - minded of the...