Genicular Nerve Block or Genicular Radiofrequency Nerve Ablation can be done before if the hopes of preventing surgery or after knee surgery to offer pain relief. Diagnostic Genicular Nerve Block â this procedure consists of placing a small amount of a local anesthetic, on the genicular nerves.
There are slight differences in the meanings of these terms, but they are often used interchangeably. 1  Independent Variable: It implies causality: the independent variable affects the dependent variable. 2  Predictor Variable: It does not imply causality. 3  Predictor: Same as Predictor Variable. 4  Covariate: A continuous predictor variable. 5  Factor: A 6  ... G
A variable is anything that can vary, i.e. changed or be changed, such as memory, attention, time taken to perform a task, etc. Variable are given a special name that only applies to experimental investigations. One is called the dependent variable and the other the independent variable. In an experiment, the researcher is looking for the possible effect on the dependent variable that might be caused by changing the independent variable. â¢ Independent variable (IV) : Variable the experimenter manipulates (i.e. changes) â assumed to have a direct effect on the dependent variable.