chronoscopic

Foster was amazed at the volume of correspondence dealing with small disputed points of ancient Mediterranean culture which somehow managed to elicit the casual remark over and over again: "Of course, having never made use of chronoscopy -" or, "Pending approval of my request for chronoscopic data, which appear unlikely at the moment -"

The Complete Stories Vol 1 Asimov, Isaac 1990

Unfortunately I have thus far been unable to get chronoscopic measurements of the reaction times in this reënforcement phenomenon.

Harvard Psychological Studies, Volume 1 Containing Sixteen Experimental Investigations from the Harvard Psychological Laboratory. Various 1889