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.
Dependent and Independent Variables. An independent variable, sometimes called an experimental or predictor variable, is a variable that is being manipulated in an experiment in order to observe the effect on a dependent variable, sometimes called an outcome variable. Imagine that a tutor asks 100 students to complete a maths test.