Question

Principles of experimental design were developed by:

• A. Wilcox
• B. R.A. Fisher
• C. Cox and Cochran
• D. WG Cochran

Hint:

For competitive exams, note that Cochran's 1957 work is considered the definitive formulation of experimental design principles.

Answer 1

The Correct Option is D

The complete principles of experimental design were formalized by:
William Gemmell Cochran (WG Cochran) in his 1957 work "Experimental Designs"
While R.A. Fisher pioneered key concepts, Cochran systematized the complete framework
The Cox
Cochran collaboration came later (1970s) for specialized designs