The hard palate is a thin horizontal bony plate of the skull, located in the roof of the mouth.
Defining Variables. Variables can be defined as any aspect of a theory that can vary or change as part of the interaction within the theory. In other words, variables are anything can effect or change the results of a study. Every study has variables as these are needed in order to understand differences.here is no limit to the number of variables that can be measured, although the more variables, the more complex the study and the more complex the statistical analysis. The most powerful benefit of increasing our variables, however, is control.
Definition of Intervening Variable. An intervening variable is a variable that helps explain the relationship between two variables.ther Variables and Example of Their Relationship. Joe is a psychologist interested in the relationship between education and spending. Joe decides to conduct a research study. Joe's study uses level of education as the independent variable.