what is a conceptual model used for which variable is a scale variable or nominal variable how does a model test how to find the relationship between the variables and the model in an essay how do you test the relationship between a variable and a scale variable in a statistical study when can I test a model in a linear regression which of these is a scale variable what is the function of the scale variable in the conceptual model? what is the function of the scale variable in a conceptual model which variable must be tested in a statistical model how do you test a conceptual model how do i test hypotheses in regression how to test a conceptual model how do you test a model of hypotheses when are scale and nominal variables testable what is a theoretical model why is $a$ a scale variable which model is a nominal variable, so does it need to bee dummified? which of the following statements should i test to determine which type of model? how do you test hypotheses