Experimental Factor Ontology (EFO)
OWL
Last submission date June 16, 2025
ID http://www.ebi.ac.uk/efo/EFO_0005067
http://www.ebi.ac.uk/efo/EFO_0005067
https://agroportal.lirmm.fr/ontologies/EFO/EFO_0005067
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Preferred name

block

Synonyms
batch
Definitions
A block or batch is an experimental unit arrangement into a group which is similar to one another. Typically, a blocking factor is a source of variability that is not of primary interest to the experimenter. An example of a blocking factor might be the sex of a patient; by blocking on sex, this source of variability is controlled for, thus leading to greater accuracy.
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