difficult temperament造句

in the current study, which was funded by the national institute for mental health, the investigators wanted to know whether the previously established intervention was more effective than the control, which focused on educating the parents regarding early child development in general, rather than addressing the specific child's poor appetite and difficult temperament and the specific parents'background
根据当前有国家精神卫生研究所资助的一项研究，调查人员想了解过去实行的干预措施与注重教育父母掌握有关儿童早期全身发育知识，而不是只注意到儿童食欲缺乏的特殊性，难以教养的性格，以及父母的特殊背景等两者相比，前者是否更有效。
It's difficult to find difficult temperament in a sentence. 用difficult temperament造句挺难的