<prompt> Translate the following text to EnglishMafunzo haya ya kesi yaliundwa awali kama tathmini za kujitegemea za programu, lakini zilileta pamoja ili kujifunza juu ya ufanisi wa tathmini wenyewe katika muktadha wa programu za elimu Searle, 1985.  <response>: These case studies were intended initially as stand-alone assessments of the programs but were brought together to learn about the effectiveness of the evaluations themselves in the context of educational programs Searle, 1985. 