Paul, Patricia2008-12-062008-12-062008-12-06https://hdl.handle.net/2139/2244enPlease contact the West Indiana Division at the University of the West Indies,St.Augustine in order to view the full thesis. Contact: wimail@sta.uwi.eduHigh school students -- Trinidad and Tobago -- Ability testingAbility -- TestingPsychometricsInvestigation into psychometric properties and technical characteristics of the fourteen plus examination in Mathematics in Trinidad and Tobago, 1985-1988Thesis