Andrew S Rowland, Betty J Skipper, David L Rabiner, Fares Qeadan, Richard A Campbell, A Jack Naftel, David M Umbach
Attention-Deficit/Hyperactivity Disorder (ADHD): Interaction between socioeconomic status and parental history of ADHD determines prevalence
Journal of child psychology and psychiatry, and allied disciplines
investigate pedagogical effectiveness oral corrective feedback cf target language development conducted metaanalysis focused exclusively 15 classroombased studies n 827 analysis designed investigate whether cf effective classroom settings whether effectiveness varied according types cf b types timing outcome measures c instructional setting second vs foreign language classroom treatment length e learners age results revealed cf significant durable effects target language development effects larger prompts recasts apparent measures elicit free constructed responses whereas instructional setting identified contributing factor cf effectiveness effects long treatments larger shorttomedium treatments distinguishable brief treatments simple regression analysis revealed effects age younger learners benefiting cf older learners