观察者预先制定计划来观察时间或行为的方法属于() ["参与观察","结构观察","非结构观察","深入访谈法","结构式访谈"]
应用定量资料,需要从下列哪方面进行评价() ["调查表设计","调查员质控","被调查者应答态度","调查环境控制","以上都是"]
用来反映小范围、短时间发病水平的指标称为() ["发病率","罹患率","患病率","感染率","续发率"]
政府的全部收入和支出都应当纳入预算,这被称为“()”。 ["A、统筹预算","B、全方位预算","C、全口径预算","D、收支预算"]
计算发病率时,分数之分子为一定时期内某人群某病的() ["所有病例数","新病例数","旧病例数","观察期内的新旧病例数","以上都不是"]
简述可摘局部义齿。