A crossed factor is a researcher-manipulated variable in a randomized experiment using a crossed factorial design. A crossed factorial design involves the researcher manipulating two or more independent variables (referred to as factors in such designs) in a way that every condition (referred to as levels in such designs) of the individual factors is exposed to all levels of the other factors. To explain crossed factorial designs, this entry describes factorial designs in detail and then briefly explains how factorial designs are implemented in a crossed fashion.
Factorial designs are experimental designs whereby the researcher examines the combination of two or more factors (the researcher-manipulated independent variables) on the experiment’s dependent variables. The simplest form of a factorial experimental design ...
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