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	Eksperyment pilotażowy z ułamkowym planem czynnikowym	Eksperyment pełnoskładnikowy
Dziedzina	Planowanie eksperymentów	Planowanie eksperymentów
Rodzina	Process / pipeline	Process / pipeline
Rok powstania	1950s–1960s (fractional factorial foundation); pilot study integration formalized in 20th century DOE practice	1926 (Fisher's foundational paper); codified by the 1950s–1960s
Twórca	Box, Hunter & Hunter (fractional factorial); pilot study concept developed broadly in industrial and clinical experimentation	Ronald A. Fisher
Typ	Experimental screening design (pilot phase)	Experimental design
Źródło pierwotne	Montgomery, D. C. (2017). Design and Analysis of Experiments (9th ed.). Wiley. ISBN: 978-1119492443	Box, G. E. P., Hunter, J. S., & Hunter, W. G. (2005). Statistics for Experimenters: Design, Innovation, and Discovery (2nd ed.). Wiley-Interscience. ISBN: 978-0471718130
Inne nazwy	pilot FFE, screening pilot design, pilot fractional factorial, pilot FF screening study	full factorial design, complete factorial design, 2^k factorial design, FFD
Pokrewne	5	6
Podsumowanie	A pilot fractional factorial experiment is a small-scale preliminary study that uses a fractional factorial design — testing only a subset of all possible factor combinations — to screen multiple factors simultaneously before committing to a full-scale investigation. It provides early estimates of effect sizes, variance, and feasibility at substantially reduced cost and participant burden compared to a full factorial pilot or a full-scale trial.	A full factorial experiment runs every possible combination of all chosen factor levels, making it the gold standard for simultaneously estimating main effects, two-way interactions, and higher-order interactions among multiple independent variables. Introduced through Ronald Fisher's foundational work on factorial designs in the 1920s and systematised by Box, Hunter, and Montgomery, it provides complete information about how factors act individually and in combination on an outcome.