The video provides information on how to extract the indications of validity and reliability for scientific research tools such as: questionnaires, tests, scales, and other scientific research tools, and methods of calculating validity and its indications and indications of reliability. The video also shows types of validity such as content validity, and methods of calculating reliability such as equivalent images, retesting, and the method of splitting the middle for the intensive course designated for students studying in foreign university systems or studying in Arab universities and wishing to learn research methodology and writing proposals and research. You can subscribe to the intensive course at the following link https://learning.coursat.online/cours... You can also benefit from the intensive course specialized in the basics of research and its applications with everything related to how to prepare research, consisting of 92 lessons with evidence for preparing a research plan and complete research at the following link https://learning.coursat.online/cours... Consultations for training sessions and courses https://learning.coursat.online/cours... We also have a specialized course on how to select samples at the following link: https://learning.coursat.online/cours... We also have a Douglas Academy website page that you can visit at the following link https://learning.coursat.online/ where we will provide you with scientific materials that you can benefit from in your studies, God willing, soon Titles of scientific research agendas in Arabic and English that aim to help researchers organize work time on master's and doctoral dissertation chapters on the Amazon platform I want to recommend this product at Amazon THESIS TIMELINE JOURNAL by Amazon.com Services LLC Learn more: https://www.amazon.com/dp/B09273CPP1/... Timeline for master's and doctoral research: The agenda in Arabic by Amazon.com Services LLC Learn more: https://www.amazon.com/dp/B0924YCF4S/... You can also, my dears, benefit from the many, varied and applied lists for everything related to scientific research and its methods. Follow the lists available on our channel Link to the list of scientific research tools • Research tools Scientific, interview, questionnaire... Link to a list containing videos of applications on descriptive, experimental, quasi-experimental research, content analysis, descriptive, correlational, analytical and survey research https://www.youtube.com/playlist?list... Content analysis methodology • Content analysis Descriptive research list / playlist Applied examples of scientific research methods, descriptive survey, descriptive correlational, quasi-experimental, content analysis of Facebook pages, curricula, various contents • Applied examples of scientific research methods,... list=PLC0PHBilpdSRlmUGjpw0s1oIcI2GuNLgh For more information, open the link to the list of the Cort program for thinking https://www.youtube.com/playlist?list... Link to the list of life skills • Life skills Link to the list of communication skills • Communication and communication skills Link to the list of psychology • Psychology and its branches Link to the list of self-development • Self-development skills Link to the list of brain studies • Our brains and the latest studies related to the brain Link to thinking skills • Thinking Skills Link to the list of children and mental disorders • Children and disorders Psychology Link to the list of creative children • Creative children's games Link to the list of children with special needs • People with special needs, special education To communicate with Dr. Amani Daghlas Email address: [email protected] Facebook page titled: Dr. Amani Daghlas Channel Twitter address: DrAmanimahmoud@ Address: LinkedIn / dr-amani-mahmoud-doughlas-836ba555 Address: Google Scholar https://scholar.google.com/citations?...