أثر تنوع أساليب تقديم التوجيه الإلكتروني (نصي صوتي - نصي مصور - صوتي مصور) عبر شبكة تواصل اجتماعي في تنمية مهارات استخدام محركات البحث وسهولة استخدامها لدى طلاب تكنولوجيا التعليم
The purpose of the research is determine the most appropriate method to provide E-guidance (Textual Acoustic - Textual Visualized - Acoustic Visualized) via the social network "Facebook", and to study the extent of its impact on the skills of using search engines, and their ease of use among students of educational technology, and used in this research experimental design. The three experimental groups, which is an extension of the extended one group pre-test – post-test design, and the research included an independent variable: the E-guidance of its methods of presentation (Textual Acoustic - Textual Visualized - Acoustic Visualized), via the social network "Facebook", and the search included two dependent variables: skills for using search engines, and their ease of use. The research sample consisted of (45) students from the third year students in the Department of Education Technology at the Faculty of Specific Education, Ain Shams University, and the most important results resulted from: the superiority of the method (Textual Acoustic) E-guidance on the (Textual Visualized) E-guidance method depicted in the results of the test of knowledge acquisition of the skills of using search engines, while the method of providing E-guidance (Textual Acoustic) was more effective than the two methods of providing Eguidance (Textual Visualized - Acoustic Visualized) in the axes of the card note the performance of the use of search engines, while the method of providing E-guidance (Acoustic Visualized) over the method of providing E-guidance (Textual Acoustic) in the results of the evaluation card The final product, while the three methods are equal and there are no significant differences between the three methods with regard to the measure of ease of use. (Published abstract)