منابع مشابه
The effects of phenological mismatches on demography.
Climate change is altering the phenology of species across the world, but what are the consequences of these phenological changes for the demography and population dynamics of species? Time-sensitive relationships, such as migration, breeding and predation, may be disrupted or altered, which may in turn alter the rates of reproduction and survival, leading some populations to decline and others...
متن کاملthe effects of error correction methods on pronunciation accuracy
هدف از انجام این تحقیق مشخص کردن موثرترین متد اصلاح خطا بر روی دقت آهنگ و تاکید تلفظ کلمه در زبان انگلیسی بود. این تحقیق با پیاده کردن چهار متد ارائه اصلاح خطا در چهار گروه، سه گروه آزمایشی و یک گروه تحت کنترل، انجام شد که گروه های فوق الذکر شامل دانشجویان سطح بالای متوسط کتاب اول passages بودند. گروه اول شامل 15، دوم 14، سوم 15 و آخرین 16 دانشجو بودند. دوره مربوطه به مدت 10 هفته ادامه یافت و د...
15 صفحه اولDemography and the Coronavirus Pandemic
Abstract. One of the most urgent policy issues related to the COVID-19 pandemic in Europe concerns the extent and ways in which demographics have determined different patterns of mortality between groups and regions, and whether and how the pandemic and its economic consequences will affect population dynamics in the future. Post-pandemic policy evaluations on the spread of COVID-19 and the im...
متن کاملdemography of pediatric behavioral disorders
objective: behavioral disorders of children and adolescents have long been a subject of discussion among researchers of pedology, psychology, medicine and psychiatry and are also a commonly encountered complaint of patients referring to the pediatric neurology out patient clinics. the main purpose of the present study is to survey some organic disorders, e.g. temporal lobe epilepsy (non convu...
متن کاملthe effects of planning on accuracy and complexity of iranian efl students’ written narrative task performance
this study compared the different effects of form-focused guided planning vs. meaning-focused guided planning on iranian pre-intermediate students’ task performance. the study lasted for three weeks and concentrated on eight english structures. forty five pre-intermediate iranian students were randomly assigned to three groups of guided planning focus-on-form group (gpfg), guided planning focus...
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ژورنال
عنوان ژورنال: Journal of Teacher Education
سال: 1978
ISSN: 0022-4871,1552-7816
DOI: 10.1177/002248717802900301