Within a Scientific Discipline,the Focus of Investigation Is Often Cyclical

Multiple Choice

Within a scientific discipline,the focus of investigation is often cyclical in nature.In psychology,the cycle is represented by an emphasis on the study of ____ in the 1880s and on the study of ____ in the 1980s.

A) overt behavior; physiological reactions
B) conscious experience; cognitive processes
C) perception; sensation
D) consciousness; overt behavior