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	Zhlukový randomizovaný úplný faktorový experiment	Cluster Randomized Controlled Trial
Odbor	Plánovanie experimentov	Plánovanie experimentov
Rodina	Process / pipeline	Process / pipeline
Rok vzniku	Late 20th–early 21st century (formalized ~1998–2014)	1978–1980s
Tvorca	Synthesis of cluster randomization (Murray, 1998) and factorial design traditions (Fisher, 1935; Collins et al., 2014)	Cornfield (1978); systematised by Donner and colleagues (1980s)
Typ	Experimental design	Experimental design
Pôvodný zdroj	Murray, D. M. (1998). Design and Analysis of Group-Randomized Trials. Oxford University Press. ISBN: 978-0195120264	Donner, A., & Klar, N. (2000). Design and Analysis of Cluster Randomization Trials in Health Research. Arnold. ISBN: 978-0340652978
Ďalšie názvy	cluster RCT full factorial, group-randomized full factorial design, CRT full factorial, cluster full factorial trial	cluster RCT, group-randomized trial, community randomized trial, cluster-randomized experiment
Príbuzné	6	4
Zhrnutie	A cluster-randomized full factorial experiment assigns intact groups (clusters) rather than individuals to every possible combination of two or more experimental factors. All factor-level combinations are tested simultaneously, enabling estimation of both main effects and all interaction effects, while preserving the integrity of naturally occurring social or organizational units such as schools, clinics, or communities.	A cluster randomized controlled trial (cluster RCT) is an experimental design in which intact social or organisational groups — such as schools, clinics, villages, or workplaces — are randomly assigned to treatment conditions rather than individual participants. Outcomes are still measured at the individual level, but the unit of randomization is the cluster. This design is essential when an intervention is delivered to whole groups, when there is a risk of contamination between participants in the same setting, or when individual randomization is logistically or ethically impractical.