Mediator Variable vs Moderator Variable. There is often confusion among students concerning the difference between a mediator variable and a moderator variable. The explanation involves some concepts that haven't been introduced at this point but it can still be worthwhile to discuss these types of variables.n analysis of variance (ANOVA) terms, a moderator effect can be represented as an interaction between a major independent variable and a factor that specifies the appropriate conditions for its operation, that is, the effect of the major independent variable depends upon the value of the moderator variable.
The most common form of myelopathy in human, cervical spondylotic myelopathy (CSM), is caused by arthritic changes (spondylosis) of the cervical spine, which result in narrowing of the spinal canal (spinal stenosis) ultimately causing compression of the spinal cord.
Signs and symptoms of myeloma include the following: 1  Hypercalcemia (excessive calcium in the blood). 2  Anemia (shortage or reduced function of red blood cells). 3  Renal damage (kidney failure).4  Susceptibility to infection. 5  Osteoporosis, bone pain, bone swelling or fracture. 6  High protein levels in the blood and/or urine. 7  Weight loss.igns and symptoms of myeloma include the following: 1  Hypercalcemia (excessive calcium in the blood). 2  Anemia (shortage or reduced function of red blood cells). 3  Renal damage (kidney failure). 4  Susceptibility to infection. 5  Osteoporosis, bone pain, bone swelling or fracture.