percentage of experiment time spent in a discrete space in an experimental apparatus ratio of time spent in the open arms to total test time in an elevated plus maze 2025-04-01T12:43:52Z CMO:0004075 PMID:28341233 This is a measure of the proportion of time spent in the open arms to total test time that an organism or experimental subject spends in an elevated plus maze. This ratio is presented as a fraction, quotient, or percentage. VT:0010471 VT:0010716 clinical_measurement_ontology ratio of time spent in the open arms to total test time in an EPM slaulederkind