In the study by Piliavin et al. (1969) investigating bystander behavior (Subway Samaritan), the experimental model intervened to help the victim if no passengers had already done so. In the "early" model condition, how long did the model wait after the victim's collapse before stepping in to help?
30 seconds30\text{ seconds}30 seconds
70 seconds70\text{ seconds}70 seconds
120 seconds120\text{ seconds}120 seconds
150 seconds150\text{ seconds}150 seconds
