While Jonathan was jogging in the park, he saw a small girl crying for help. He also saw many people standing nearby not taking any action. This made Jonathan wonder if the girl really needed help. According to one of the models of the helping process, which of the following steps was not followed by Jonathan that affected his helping behavior?

a. Noticing a person, event, or situation that may require help
b. Interpreting the event as one that requires help
c. Deciding on and implementing the form of helping
d. Assuming responsibility for helping