Blumentritt, T Effects of maximum performance instructions on the sentence completion test of ego development. [electronic resource] - Journal of personality assessment Aug 1996 - 79-89 p. digital Publication Type: Clinical Trial; Comparative Study; Journal Article; Randomized Controlled Trial ISSN: 0022-3891 Standard No.: 10.1207/s15327752jpa6701_6 doi Subjects--Topical Terms: AdultEgoFemaleHumansMaleMiddle AgedPsychological TestsRole Playing