اثر مهارات الاتصال اللفظي في التحصيل والاستبقاء لدى طلبة المرحلة الثانية انتاج في قسم التقنيات الميكانيكية

The problem of the research is the deterioration of the level of acquisition of the Second Class Students / Production in the Department of Mechanical Techniques in Basra in the material of (Technology of Machine Parts) in the previous years (the average of failure for the last three years reaches 52.3% in the first attempt only) and this material has become an impediment; first, for the students' success and second, decreases their graduation averages.