Teaching MPPSC Librarian Mock Test Series 2025 Library Science Research Methodology Research Methods & Design
Sir Ronald A. Fisher developed three fundamental principles of experimental design,
(A). Principle of Replication.
(B). Principle of Randomization
(C). Principle of Local Control
(D). Principle of Rationalization
1
A, B and C
2
B, C and D
3
A, C and D
4
A, B and D