cultural evolution: the adaptive change of a culture to recurrent environmental pressures: driven mainly by psychological factors, product of human intellect and physical capacity. Lifestyle: the aggregate behavior of a person; the way in which a person leads his or her life. Law of effect behaviors that produce favorable consequences tend to be repeated, and those that produce unfavorable consequences tend not to be repeated. stress: a pattern of physiological, behavioral, and cognitive responses to stimuli (real or imagined) that are perceived as endangering one"s well-being/ blocking a goal. stressors: stimuli that are perceived as endangering one"s well-being. stress is a biological response that is experienced as an emotion. selye"s general adaption syndrome www. notesolution. com: the model proposed by selye to describe the body"s adaptation to chronic exposure to severe stressors. cognitive appraisal: one"s perception of a stressful situation: two staged process.