Which is better for me individual courses or Diploma courses?

This depends on your time.  Students who have time and can do full-time study for 6 months or a year continuously without breaks are recommended to apply for Diploma courses.  This option is better for them in terms of concentration and costs. More information on course fees is available at http://yialarabic.com/yial/teaching-on-line/fees-online/ But, when you are studying Arabic as a part time study, then it is easier for you to join the individual courses. 

Do Diploma Courses differ from Individual courses?

When you study MSA individual courses you are not restricted with time limits, and the overall evaluation of all courses.  You will study each course of the 9 MSA courses separately.  However, learners who choose to go through the Diploma Courses have to achieve the goals of these courses. Here are more details:

MSA Six-Month Diploma

This course is designed to cover Beginner and Intermediate stages of MSA program continuously without breaks. By the end of the MSA Six-Month Diploma, students will be able to comprehend spoken and written prose, develop their ability to express orally events and experience in different tenses, and they become easily understood, and able to write descriptive language on the level of simple article compound of few paragraphs. Students should study 6 months intensively, continuously, and succeed in both the achievements exams of the 6 courses of the Diploma course, and pass the final comprehensive Diploma exam. Final result is calculated on the basis of 50% of the cumulative results of the 6 courses, and 50% of the final comprehensive Diploma exam. Successful students get the Diploma Certificate with a detailed transcript.

MSA One-Year Diploma

This course is designed to cover the whole of MSA program of the 9 levels continuously without breaks. By the end of the MSA One-Year Diploma, students will be able to express facts and comprehend literature. They will be able to discuss a wide range of topics both factual and fictional. In brief they will be able to understand with ease virtually everything heard or read, and are able to summarize information from different spoken and written resources among of which media, and will be able to express themselves spontaneously, very fluently and precisely, differentiating finer shades of meaning even in more complex situations. Students should study one year intensively, continuously, and succeed in both the achievements exams of the 9 courses of the Diploma course, and pass the final comprehensive Diploma exam. Final result is calculated on the basis of 50% of the cumulative results of the 9 courses, and 50% of the final comprehensive Diploma exam. Successful students get the Diploma Certificate with a detailed transcript.