Simple English Wikipedia is a user-contributed online encyclopedia intended for young readers and readers whose first language is not English. We compiled a corpus of the entirety of Simple English Wikipedia as of June 20th, 2017. We used lexical frequency profiling tools to investigate the vocabulary size needed to comprehend Simple English…

Computational tools and resources play an important role for vocabulary acquisition. Although a large variety of dictionaries and learning games are available, few resources provide information about the complexity of a word, either for learning or for comprehension. The idea here is to use frequency counts combined with intralexical variables to…

Although a reader's text-level comprehension is affected by the comprehension of individual sentences in a text, little attention has been paid to the difficulty of sentences. This study investigates whether measures (features) of text difficulty affect the "gradience" observed in sentence difficulty judgments. We examine two traditional…

This study investigated the word recognition processes of readers of Chinese as a native language (L1) and as a second language (L2), focusing on the effects of two factors, word familiarity and word structure difficulty (complexity of orthographic symbol), on reading accuracy and response time. Subjects were in three groups: (1) 14 adult native…

Romanian is characterized by a richness of surface forms that are difficult to classify and even more difficult for the learner to assimilate. There is much instructional material available in Romanian, and in a survey of fifty works published outside the country, four categories emerged: teaching materials, pedagogical grammars, grammars, and…

A study of the acquisition of Swedish vocabulary by adult immigrants examined both the kinds and contexts of words learned. It found that simple and common words form the bulk of the vocabulary learned, and that frequency of input, complexity of input, and communicative need guide the learning process. Frequency refers to the frequency of both…