Grammatical Intricacy and Lexical Density of Reading Texts of English Textbook for Senior High School Grade XII

This study deals with the grammatical intricacy and lexical density of reading
texts of English textbook for senior high school students grade XII. The objectives
of this study are to investigate the level of grammatical intricacy (GI), and lexical
density (LD) of the reading texts of English Textbook. This study was conducted
by using descriptive qualitative and content analysis design. The data of this study
were simple clauses, clauses complexes, sentences, lexical items and content
carrying lexical items (nouns, verbs, adjectives and adverbs) of the English
reading texts of Look Ahead 3, English textbook for senior high school grade XII
published by Erlangga 2007. The result of the analysis showed that: (1).The level
of grammatical intricacy of four out of six reading texts is high (3.53, 2.3, 2.71,
and 2.25) and the other two texts are medium (2) and low (1.83). (2).The level of
lexical density of four out of six reading texts are low (42.67%, 45.93%, 48.47%,
and 36.99%) and the other two texts are high (58.36, and 55.40%).