experimental design containing more than one independent variable in which every level of each independent variable is combined with every other level. Moreover, It is a research method that can study more than one variable at a time; a research design that includes two or more factors .
belief that the mind consists of several powers or faculties. It is the theory that different mental abilities, such as reading or computation, are independent and autonomous functions , carried out in different parts of the brain.
alcohol effect is defined as a cluster of symptoms less severe than those of Fetal alcohol syndrome shown by children of women who drank moderately during pregnancy. It is a a group of mild congenital problems that are sometimes observed in children of mothers who drink sparingly to moderately during pregnancy.