In the Early Years of Experimental Psychology (Approximately 1880-1920), Each

Multiple Choice

In the early years of experimental psychology (approximately 1880-1920) , each of the following was true except

A) experimenters often participated as subjects in their own studies
B) studies were more likely to have small N than large N
C) subjects were often referred to as 'observers'
D) replication was a problem because means were based on just two or three subjects