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.
Science experiments have two main types of variables: the dependent variable and the independent variable. The independent variable is the variable that scientists manipulate intentionally to cause potential change in the experimental system. The dependent variable is the thing that scientists monitor.