Learn More
Data on the history of cannabis use and a spot urine test for cannabinoids were obtained for 137 schizophrenics in treatment. Subjects who were using cannabis during the 6-month observation period presented with a significantly higher degree of delusional and hallucinatory activity than those who did not. Moreover, the group using cannabis made a higher(More)
PERT (Program Evaluation and Review Technique) is a network planning technique used to plan, schedule, and control projects. Unlike the CPM (Critical Path Method) which assumes actual project activity times are deterministic, PERT views the actual performance time for an activity as a random variable. The conventional PERT procedure ignores all subcritical(More)