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Standardized solution of the model predicting performance in sustained attention tests (convergent validity) based on the proposed process model of sustained attention tests. Significant results are printed in boldface. Perc = perceptual speed, mod. d2 = modified d2, Oper. = operation speed, SRT = simple reaction time task, Motor = motor speed, Shift = item shifting speed, SA = sustained attention, fig = figural task, num = numerical task, verb = verbal task.
