Factorial design refers to an 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 .
- FAE (Fetal alcohol effect) : FAE which is the acronym of Fetal 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.
- FAE (Fundamental attribution error) : FAE is the acronmy of Fundamental attribution error which is defined as the tendency to overestimate the causal influence of dispositional factors and underemphasize the causal influence of situational factors. It is the dual tendency of observers to underestimate the impact of situational factors, and to overestimate the influence of dispositional factors on an actor's behavior .