如果研究的因果关系只涉及一个因变量和一个自变量,这种回归分析法称为()。
A、一元回归分析
B、一元线性回归分析
C、二元回归分析
D、二元线性回归分析
参考答案:A
患者,男性,40岁,胆结石,次日于硬膜外麻醉下行胆囊切除手术。患者病情稳定,术前准备已完成,但患者仍焦虑不安,忧郁不定。提示患者哪一项需要未被满足
A.基本生理的需要B.安全的需要C.爱与归属的需要D.被医生护士尊重的需要E.自我实现的需要
How should change management be planned for ?()
A.Changes are generally not predictable,therefore planning for change management cannot be sensibl
B.Planning for change management should be done while the various change control processes are being applie
C.Change management can be planned in a set of management plans or a specific change management pla
D.Changes are a sign of bad planninOne should avoid changes during a project thus eliminating the need to manage the