Partial mediation implies that there is not only a significant relationship between the mediator and the dependent variable, but also some direct relationship between the independent and dependent variable.t is possible to mediate moderation and moderate mediation. Moderated mediation is when the effect of the treatment A on the mediator and/or the partial effect B on the dependent variable depend in turn on levels of another variable (moderator).
A lumbar puncture can help diagnose serious infections, such as meningitis; other disorders of the central nervous system, such as Guillain-Barre syndrome and multiple sclerosis; or cancers of the brain or spinal cord.
Testing for the JC Virus in the Cerebrospinal Fluid. In order to diagnose PML, a doctor will perform a lumbar puncture to analyze the cerebrospinal fluid (CSF) for the presence of the JC virus. This is done by performing a polymerase chain reaction (PCR) test on the CSF to see if the DNA of the JC virus is present.