পদ্ধতির তুলনা করুন

	নিয়ন্ত্রণ গোষ্ঠী পরীক্ষামূলক নকশা	ফ্যাক্টোরিয়াল এক্সপেরিমেন্ট
ক্ষেত্র	পরীক্ষামূলক নকশা	পরীক্ষামূলক নকশা
পরিবার	Process / pipeline	Process / pipeline
উদ্ভবের বছর	1935 (Fisher); 1963 (Campbell & Stanley codification)	1926–1935
প্রবর্তক	Ronald A. Fisher; systematised by Donald T. Campbell & Julian C. Stanley	Ronald A. Fisher
ধরন	Experimental research design	Quantitative experimental design
মৌলিক উৎস	Campbell, D. T., & Stanley, J. C. (1963). Experimental and Quasi-Experimental Designs for Research. Rand McNally.	Fisher, R. A. (1935). The Design of Experiments. Oliver and Boyd.
অপর নাম	controlled experiment, true experimental design, randomized controlled design, treatment-control design	factorial design, factorial ANOVA design, multi-factor experiment, crossed-factor design
সম্পর্কিত	4	6
সারসংক্ষেপ	Control group experimental design is a fundamental experimental structure in which participants are assigned to at least two groups — a treatment group that receives the intervention and a control group that does not — so that the effect of the intervention can be isolated by comparing outcomes across groups. Randomisation of assignment strengthens causal inference by balancing known and unknown confounders.	A factorial experiment is an experimental design in which two or more independent variables (factors) are manipulated simultaneously, and every combination of their levels is tested. Introduced by Ronald Fisher in the 1920s–1930s, it is the standard approach whenever a researcher needs to detect not only the main effect of each factor but also whether the effect of one factor depends on the level of another — the interaction effect.