A pretest-posttest control group design was used to test the value of employing four psychotherapeutic interaction scales for selfevaluation. The counselor-offered conditions of empathy, nonpossessive warmth, genuineness, and intensity of interpersonal contact were self-evaluated by 44 counselors following their counseling interviews. These evaluations were compared with supervisors' evaluations of the tape recorded sessions. Findings showed that (a) the gain in offered therapeutic conditions was significant on all scales for the experimental group but on only two scales for the control group; (b) the amount of gain for the experimental group was significantly higher than that of the control group on only one scale ( Empathy) ; ( c ) counselor / supervisor evaluations showed highly Significant concurrent validity; and (d) basic counselor personality orientations such as self-concept strength and defensiveness generally showed no correlation with accuracy of self-evaluation on the scales.
Electrophoretically purified Vi antigen from Citrobacter freundii 5396/38 was depolymerized by sonic treatment. The treatment caused an 80% reduction in specific viscosity and a reduction in molecular weight from 1.6 x 106 to 3.9 X 104. The 0-acetyl and N-acetyl contents of the antigen and its infrared spectrum remained unchanged. The sonically treated antigen was only 1 % as effective as the original antigen in eliciting protection in mice against challenge with Salmonella typhi. Sonically treated antigen also elicited lower antibody titers after single injections in mice and rabbits. No loss in ability to precipitate antibody or to sensitize red blood cells for hemagglutination was observed.
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