Provided is a technology useful for verifying measurement accuracy before measurement of an electrical characteristic of blood samples.A sample for use in electrical characteristic measurement is provided including erythrocytes incompletely fixed with a fixative, the fixed erythrocytes being such that an electrical characteristic of a mixture of the fixed erythrocytes and plasma components can change over time. An electrical characteristic measurement method is provided including measuring an electrical characteristic of the sample for use in electrical characteristic measurement over time before measuring an electrical characteristic of blood samples over time. An electrical characteristic measurement device is provided including a determination unit configured to determine measurement accuracy on the basis of a predetermined reference value and measured values based on the electrical characteristic measured using the sample for use in electrical characteristic measurement.