The nature of heterogeneity issues within the context of Iranian, English language learning contexts in high schools is one of the under-researched lines of inquiry. For this aim, a researcher-made, Likert-type questionnaire whose items were initially validated through a multi-stage, exploratory research design among 30 teachers was distributed among some 67, Iranian EFL teachers with different...

OBJECTIVE To test the hypotheses that classroom and simulation-based crew resource management (CRM) training interventions improve teamwork attitudes and behaviours of participants and that classroom training combined with simulation-based training provide synergistic improvements. DESIGN A randomized controlled trial. SETTING Area Health Service in New South Wales, Australia. PARTICIPANT...