Text elaboration is a written-input modification strategy that retains low-frequency vocabulary, complex syntax, and the structural features of authentic discourse, then adds redundancy, paraphrase, and explicit signals of cohesion to support comprehension. Michael H. Long proposed it as an alternative to lexical and syntactic simplification in pedagogic materials.
Long (1991) framed elaboration as a design principle drawn from foreigner-talk discourse: native speakers do not strip difficult items from their speech but surround them with restatements, definitions, and appositions. Simplification removes the very features learners must encounter to acquire them. An elaborated text keeps the target item intact and inserts a gloss nearby ("the magistrate, the local judge, ruled that…"), producing a longer text whose lexical and grammatical inventory remains close to the source.
Yano, Long, and Ross (1994) tested this design against simplified and unmodified baselines with 483 Japanese university students reading thirteen passages. Comprehension on a 30-item multiple-choice test was highest for the simplified version, but the elaborated version was not significantly different, and elaborated texts retained items the simplified versions had stripped. Modification type interacted with item type: elaborated texts supported inferential items better. Oh (2001), replicating the design with 180 Korean high-school students, found elaborated texts at least as effective as simplified ones, with the advantage of preserving native-like input. Both studies converge: elaboration trades a small comprehension cost for substantial gains in input quality.
Elaboration means resisting the impulse to replace a low-frequency word with a higher-frequency near-synonym. The original item stays; an apposition, relative clause, or following sentence carries the meaning. Long and Ross (1993) listed recurring devices: synonym pairs joined by or, paraphrase introduced by that is or in other words, exemplification through for instance, and topicalisation that fronts new referents. The cost is length (elaborated texts ran roughly 20–40% longer than simplified counterparts in the Yano study) and redundancy unfamiliar to writers trained on Flesch-Kincaid economy. The gain is a text that exposes learners to authentic lexis and syntax while remaining processable.