[PDF] Top 20 Second Language Acquisition Modeling: An Ensemble Approach

... novel ensemble model to predict student knowl- edge gaps. Applying our approach to student trace data from the online educational platform Duolingo we achieved highest score on both evaluation metrics for ... See full document

... Reassembly approach that appeals to the features proposed in Section 2 can account for the otherwise puzzling failure of the advanced learners to differentiate between the grammatical and ungrammatical sentences ... See full document

... lexical approach (Lewis, 1993, 1997, 2000). This is an instructional approach that de-­‐emphasizes syntax to the minimal level and centers around the instruction of lexical items, consisting of words, ... See full document

... Thus far, the target nouns’ lexical features pro- vided little help in role labeling, allowing us to clearly see the contribution of the proposed sim- ple structural features. Would our structural fea- tures produce any ... See full document

... for modeling language acquisition called CAREGIVER has been designed and recorded within the framework of the EU funded Acquisition of Communication and Recognition Skills (ACORNS) ... See full document

... As Ellis points out, frequency-based explanations and approaches are gaining recognition in many areas where linguistics is applied. For example, as Juraf- sky and Martin’s (2000) comprehensive introductory text noted, ... See full document

... Next, we developed two innovations to the field of unsupervised parsing. First, we built an algorithm that is the first one to do the tasks of labeling and parsing simultaneously. The hypothesis is that both tasks will ... See full document

... longitudinal approach, which means that the research data is collected from the research participant over a prolonged period of time, the purpose of which is to gather information about change over ...of ... See full document

... in second language acquisition (SLA) grows out of my own migration history, which includes secondary schooling in Caracas, Venezuela, learning English (and surviving) as a young man in the ... See full document

... Our work is closely related to the recent surge of re- search in NLI. Beginning with Koppel et al (2005), several papers have proposed different feature sets to be used as predictors of L1 (Tsur and Rappa- port, 2007; ... See full document

... to language testing research, emphasizing the importance of empirical scale ...foreign language proficiency, and explicitly works out the opportunities and challenges of working across disciplinary and ... See full document

... psycholinguistic approach, which depends on two axes in language learning, namely stimulus / ...of language mainly through input from adults and other caregivers and then try to create new forms and ... See full document

... This paper describes the Grotoco contribution to the Second Language Acquisition Modeling shared task. We have presented our architecture, based on format-wise classification models, and ... See full document

... many second language researchers have taken much interest in targeting their thoughts and efforts at investigating the construct and its impact on L2 learning and development from a variety of angles, to ... See full document

... of language and sees language as a mirror of the ...a language faculty, the language acquisition device, which is responsible for the initial state of language ...L1 ... See full document

... To verify H1, we use the location (country) from where a student accessed the Duolingo platform as an indicator of the student’ living community. We first bin students into groups according to their locations. Next, we ... See full document

... We posit that, the zone of proximal develop- ment (Vygotsky and Cole, 1978) plays a crucial role in language acquisition. The theory suggests that, when a student is in her zone of proximal de- velopment, ... See full document

... Second Language Acquisition Modeling is the task to predict whether a second language learner would respond correctly in future ex- ercises based on their learning ...and ... See full document

... Among our key findings is the observation that, for this particular formulation of the task, the choice of learning algorithm appears to be more important than clever feature engineering. In par- ticular, the most ... See full document

... in language acquisition is at present neither directly observable nor testable’ ...promising approach to arriving at a more precise, and meaningful interpretation of the processes that the concept of ... See full document