A 22 year-old woman has been diagnosed with post-traumatic stress disorder (PTSD) following a military tour of duty
According to the stress–diathesis model, what variable should be considered in addition to the stressors that the woman faced during her service?
A) The woman's possible hereditary predisposition to PTSD
B) The incidence of PTSD among her peers who served alongside her
C) The presence or absence of comorbid mental illnesses
D) The influence of the woman's environment before and after her tour of duty
Ans: A
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The stress–diathesis model, a popular variation of the biophysiological model, assumes that a disposition (or vulnerability) toward a certain disorder may result from a combination of genetics and early learning. In this model, the effects of life events cannot be understood without considering innate diatheses. These diatheses are prioritized over mental illness in her peers, the presence of comorbidities, or the woman's environment.
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