اولین گروه ماده‌بابون‌هایی بودند که شاهد حمله یک شکارچی بودند و کسی را در این حمله از دست داده بودند، و گروه دوم ماده‌ بابون‌هایی بودند که شاهد حمله بودند اما کسی را از دست نداده بودند. 
The first group were females who had witnessed a predator attack and lost someone in that attack, and the second group were females who had witnessed an attack but had not lost someone. 