This paper reviews limitations in the interpretations of group differences in studies that use younger, language-matched controls in addition to age-matched controls to examine the role of "language level" on performance. Problems arise because of the multidimensional nature of language, extraneous age effects associated with language matching,…

This study explores the use of the adjunct question paradigm in self-instruction and distance education materials. The subjects were 187 high school students who read text passages and answered one high level (implication or inference) or low level (verbatim or paraphrase) question. These questions were either inserted in the text or massed at the…