22/11/2016 11:49 AM
Department of Arabic Language held a typical lecture on the types of experimental designs for PhD students.
as the syllabus of subject ( experimental designs and it's application) for first term of academic year 2016-2017 for phd students .
assistant professor Dr. Mohammed Abdel Wahab Abdul Jabbar held a typical lecture entitled (types of experimental designs) , the lecture aimed to identify the types of experimental designs and designs of one worker, and get to know designs before the expermental : the design of a single group ,The design of one group in tow test before and after, and then identify the semi-experimental designs: the design of the time series, the design of the two unequal groups in later test , the design of the two unequal groups before and after testing , as well as identify the real experimental designs: the design of the control group tested after , the design of the control group in tow test before and after , multiple designs experimental groups (for one controlled group ), the design of Solomon with the four groups.
the lecture extract some of notably conclusion as follow
1- design One group is considered as the one of weakest of the experimental designs, either one group design with tow test before and after is better than the previous design.
2- semi-experimental designs is Featuring by factors internal and external honesty that relatively high as compared to the initial designs.
3- real experimental designs or complete is features in comparison with the previous experimental designs of random distribution for individuals involved in the research.