The word anatomy comes from the Greek ana-meaning up or through + tome meaning a cutting. Anatomy was once a cutting up because the structure of the body was originally learned through dissecting it. The word histology came from the Greek histo- meaning tissue + logos, treatise.
Definition: Reliability is the degree to which a measurement instrument gives the same results each time that it is used, assuming that the underlying thing being measured does not change.
While informative for multilevel models. in general, the reliability of group means as estimates of the. distribution of group means in a population is different than. measurement reliability as we have discussed it above. Of greater present interest is the estimation of a scaleâs reliabil-.