Jan’s hypothesis was proven to be correct by others students experiments. it’s possible her hypothesis can be made into a

Theory or a statement. there's your answer

Type in the minus sign

The rate that would change would be the  searching efficiency/attack rate. there are only two other rates in this model: the  growth rate of prey, and the  predator or consumer mortality rate.the  searching efficiency/attack rate is what indicates how effectively can a predator capture its prey whether in the searching process or actual capturing/attacking process.