Parental language input is a key predictor of child language achievement. Parentese is a widely used style of child-directed speech (CDS) distinguished by a higher pitch and larger pitch range. A recent parent coaching randomized control trial (Parentese-RCT) demonstrated that English-speaking US parents who were coached to use parentese with…

This study investigated the feasibility of a vocabulary-based teacher intervention to increase preschool teachers' production of complement clauses (e.g. "I wonder if we can put the monkey in the tree") in teacher-children play interactions. Using a multiple baseline across participants design we measured the impact of an intervention…

Purpose: Our purpose was to test the competing sources of input (CSI) hypothesis by evaluating an intervention based on its principles. This hypothesis proposes that children's use of main verbs without tense is the result of their treating certain sentence types in the input (e.g., "Was 'she laughing'?") as models for declaratives…

In this study, the researcher had a group of unresponsive learners taking a year-long English for Specific Purposes (ESP) course in Banking and Finance Department. After the detection of the problem, "unresponsiveness," one-on-one semi-structured interviews were conducted with the learners (N=8) to find the reasons of it, and what they…

In our globalised world, the desire for the acquisition of English has led to increased research into the appropriate pedagogical approaches for learning and teaching the language. This manuscript focuses on the use of learners' mother tongue in the learning and teaching of English in an effort to identify ways in which cross-linguistic…

The critical importance of second language (L2) input, output, and interaction in TESOL notwithstanding, the decision between immersive (L2-English only) versus nonimmersive approaches is considered "the most fundamental question facing second language acquisition (SLA) researchers, language teachers, and policymakers" (Macaro, 2014, p.…

Little analytical scrutiny has been devoted to teacher accommodation of academic language at the early childhood level, despite being a critical school-level factor to consider when addressing at-risk learners' academic needs. The present study investigates how fifteen Head Start teachers support three components of academic language during…