Rather it becomes an empirical puzzle to be solved by searching for a more comprehensive interpretation . Rather it would provide an impetus for dialog. The very definition of a construct implies a domain of content. There is no sharp distinction between test content and test construct. This school of thought conceptualizes reliability as invariance and validity as unbiasedness .
Low reliability is less detrimental to the performance pretest.
In the pretest where subjects are not exposed to the treatment and thus are unfamiliar with the subject matter, a low reliability caused by random guessing is expected. Low reliability is a signal of high measurement error, which reflects a gap between what students actually know and what scores they receive. Standards for educational and psychological testing. An evolving convept. In International Encyclopedia of Education.