Why Was the Study of Cognition Discouraged During the First

Multiple Choice

Why was the study of cognition discouraged during the first half of the 20th century

A)  Cognition was not considered to be a psychological function. 
B)  Earlier studies using the method of introspection had yielded unreliable results. 
C)  Psychodynamic theories were too dominant in the field. 
D)  Language acquisition was viewed as an innate process that could not be studied empirically.