多项选择题

Research design is the assumption and planning of the specific content and methods of scientific research, including ().

A．Experimental design
B．Professional design
C．Application design
D．Statistical design

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单项选择题

多项选择题

心理健康的人，具有健全的积极意志品质，表现为意志的（自觉性果断性坚持性自制力）

A.自觉性
B.果断性
C.坚持性
D.自制力