পদ্ধতির তুলনা করুন

	কেন্দ্রীয় যৌগিক নকশা	পরীক্ষা নকশা
ক্ষেত্র	পরীক্ষামূলক নকশা	পরীক্ষামূলক নকশা
পরিবার	Process / pipeline	Process / pipeline
উদ্ভবের বছর	1951	1935
প্রবর্তক	George E. P. Box and K. B. Wilson	Ronald A. Fisher
ধরন	Response surface experimental design	Experimental planning framework
মৌলিক উৎস	Box, G. E. P., & Wilson, K. B. (1951). On the experimental attainment of optimum conditions. Journal of the Royal Statistical Society: Series B, 13(1), 1–45.	Fisher, R. A. (1935). The Design of Experiments. Oliver and Boyd.
অপর নাম	CCD, Box-Wilson design, central composite response surface design, rotatable central composite design	DOE, experimental design, factorial experimentation, planned experimentation
সম্পর্কিত	3	3
সারসংক্ষেপ	Central Composite Design (CCD) is a second-order response surface design that allows researchers to efficiently fit a full quadratic model relating multiple continuous input factors to one or more response variables. Introduced by Box and Wilson in 1951, it combines a factorial (or fractional factorial) core, axial (star) points, and center-point replicates into a single unified design, making it the most widely used design for process optimization in engineering, chemistry, and manufacturing.	Design of Experiments (DOE) is a systematic framework for planning, conducting, and analyzing controlled experiments to determine how multiple input factors simultaneously affect one or more responses. Introduced by Ronald A. Fisher in 1935, DOE allows researchers and engineers to identify causal relationships, quantify factor effects, and find optimal settings efficiently — using far fewer runs than one-factor-at-a-time approaches. It is foundational in engineering, manufacturing, agriculture, and applied sciences.