53Experimental unitPTen-ENSYMSITES active approved Experimental unitSYMSITES k-SDSS

]]>The smallest unit to which an intervention (treatment) is applied.

]]>The smallest unit to which an intervention (treatment) is applied.

]]>Experimental unitBT55BlockPTRT52Treatment (k-SDSS)PTRT57ReplicationPTRT58RandomizationPTRT62Experimental errorPTRT63Sampling errorPT