Sixty eighth-and ninth-grade students were randomly assigned to experimental groups participating in the Vocational Exploration Group (VEG) process over a 5-week period and to a control group receiving no career education. The purpose of the study was to determine if VEG treatment, as applied to rural junior high students, would result in increased career maturity. The Career Maturity Inventory (CMI), which was administered to all subjects before and after the treatment period, indicated significantly positive movement for the experimental groups on the Attitude Scale and on three of the five Competence Test Scales, while scores for the control group remained constant. The results indicate that the VEG can be effectively used in assisting students to develop positive attitudes toward the world of work and to acquire critical behavior upon which to base mature career decisions.

A study of transfer to milk of three isotopes of Tc indicated different results for 99mTcO4-, 95mTcO4-, and 99TcO4-. When the three isotopes were given orally to lactating goats in separate experiments, the milk transfer coefficients increased with decreasing specific activity. Gut absorption of Tc administered as pertechnetate (TcO4-) was decreased by reduction of TcO4- in the rumen. The rate of reduction of TcO4- in the rumen was greater for higher specific activity doses of Tc. These results suggest that the specific activity of a radioisotope may significantly influence the estimated dose to humans from contaminated milk and, probably, other food products.

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