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.
5. I do not like to use the terms independent and dependent variables for nonexperimental research. In this type of research, the variables on the input side may be ex post facto or a personal characteristic of the subject (subject variable). Ideally, this term should be used to describe them.