The crime is murder in these novels, and the plots include accessories such as floor plans, maps, and railway timetables. The appeal of Golden Age fiction is the challenge of the intellectual game.
exogenous variables. (mathematics). In a mathematical model, the independent variables, which are predetermined and given outside the model. 1  Facebook. 2  Twitter.
The independent variable DRUG would be an active independent variable. An attribute independent variable occurs when groups are compared, but the grouping variable cannot be chosen and manipulated by the investigators because it is a characteristic of the subjects themselves.