Year | definition | source |
---|---|---|
1981 | "Reliability, as applied to educational measurements, may be defined as the level of internal consistency or stability of the measuring device over time." | Wingard, Peter (1981, p.217) |
1981 | "The extent to which a given question, or test, or examination will result in a given set of students obtaining the same set of scores on different occassions, or if marked by different assessors, or by the same assessors on differenr occassions." | Rowntree, D. (1981, p.251) |