Answer:
Diathesis-stress model.
Explanation:
Diathesis-stress model may be defined as the psychological theory that are used to explain any disorder or the stress of the individual. Diathesis has been derived fro the greek word that means sensibility.
Jacoby experiences stress that can be measured by the diathesis-stress model. The symptoms of his schizophrenia and its symptoms can be easily diagnosed by the the diathesis-stress model. This model can be used to express the stress of the individual.
Thus, the answer is the diathesis-stress model.
A hypothesis is an educated guess about how things work. It is an attempt to answer your question with an explanation that can be tested
D neither a nor b is right
He wants to help people cause people help him.
