Identification of Some Variables Affecting the Granting of The Fundamentals of Computer and Internet Certificate (IC3)
AL-Rafidain Journal of Computer Sciences and Mathematics,
2013, Volume 10, Issue 1, Pages 113-125
AbstractTo identify certain variable that influence the result Internet and Computing Core Certification examination (IC3) which is conducted in the ComputerCenter and Internet at the University of Mosul. The affect of the response of the examination score in the computer applications by seven explanatory variables were studied, the variables are: the score of computer basics examination, the examinee's sex, the experience of the examinee in the computer, the specialization of the examinee, the participation of the examinee in courses, degree to be obtained through study and the repeated participation in the examination.
Four statistical procedures were applied to select the best regression equation that involves the explanatory variables which have a real effect on the dependent variable. These procedures include: forward selection, backward elimination, stepwise regression and all possible procedures depending on certain comparison measures, which include mean square error MSe, and Mallows-Cp Statistics.
It was clear that the best model which non-presence of the constant b0, and involves the variables: the score of computer basics examination, the examinee's sex, the specialization of the examinee and degree to be obtained through study.
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