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Social Sciences Students' Perceptions of Successful University Professors Characteristics at Masielah University as an un put of Teaching Quality Abstract: This study aimed at recognizing the characteristics of the successful university professor from the view of social sciences Students in M'SILA University. The study also seeks answers for the following questions: • What are the major characteristics of the University successful professor? • Are there any significant differences in the characteristics of the successful university professor related to the variable of gender? In order to answer these questions, a questionnaire formed consisted of two parts. The first part contains demographic questions; while the second part contains (20) items divided into three groups: one concerned with psychological character­istics of the University professor, the other one concerned with social characteris­tics, while the third concerned with professional characteristics. The questionnaire which applied on 114 students indicates that social characteristics ranked at the top and the psychologi­cal and the Professional characteristics ranked at the end. Also, the results of the study point out that there are no significant differences statistically speaking due to the variable of gender. Keywords: University professor, social sciences students, social, psychologi­cal, Professional characteristics, high education qualityeristics, high education quality.

Considered as the second men cancer in Algeria, prostate cancer is treated in 70% by radiation. That's why radiation therapy is therapeutic weapon for prostate cancer. Conformational Radiotherapy in 3D is the most common technique [1−5]. The use of conventionally optimized treatment plans was compared at case scenario of optimized treatment plans VMAT for prostate cancer. The evaluation of the two optimizations strategies focused on the resulting plans ability to retain dose objectives under the influence of patient set up. Dose Volume Histogram in the Planning Target Volume and dose in the Organs At Risks were used to calculate the conformity index, and evaluation ratio of irradiated volume which represent the main tool of comparison [6,7]. The situation was analysed systematically. The 14% dose increase in the target leads to a decrease in the dose in adjacent organs with 39% in the bladder. Therefore, the criterion for better efficacy and less toxicity reveal that VMAT is the best choice.