According to Senge, reinforcing (amplifying) feedback: Question 8 options: a) can generate accelerating growth or accelerating decline. b) can be driven by managers creating a "self-fulfilling prophecy" in that their expectations can lead to certain behaviors, which then reinforce the original expectation ("Pygmalion effect"). c) are exemplified by "vicious cycles" such as panic buying and bank runs. d) are exemplified by "virtuous circles" such as physical exercise leading to better conditioning, which leads to feeling better and still more exercise. e) all of the above f) "a" and "c" and "d