منابع مشابه
on the equivalence of constructed-response and multiple-choice : stem-equivalent, stem non-equivalent but content equivalent, and stem and content non-equivalent items in reading comprehension using multifaceted rasch
the present study investigated construct equivalence of multiple choice (mc) and constructed response (cr) item types across stem and content equivalent mc and cr items (item type ‘a’), non-stem-equivalent but content equivalent mc and cr items (item type ‘b’), and non-stem and non-content equivalent mc and cr items (item type ‘c’). one hundred seventy english-major undergraduates completed mc ...
the relationship between listening self efficacy, listening comprehension, gende, and age in male and female english learners
چکیده هدف اصلی تحقیق حاضر مطالعه و بررسی رابطه بین خودکارامدی شنیداری با درک شنیداری بود.همچنین رابطه درک شنیداری وخودکارآمدی شنیداری با جنسیت و رابطه خودکارامدی شنیداری با سن نیز مورد بررسی قرار گرفت.تعداد شصت زبان اموز-سی دختر و سی پسر- کانون زبان ایران در مرکز خرم آباد به صورت تصادفی انتخاب شدند. روشهای به کار رفته در جمع اوری داده ها عبارت بودند ازبرسشنامه خودکارآمدی و تست درک شنیداری لانگ...
15 صفحه اولApproximation of Stable and Geometric Stable Distribution
Although there has been increased interest in the application of the stable and geometric stable distributions in economics and finance, further application has been limited because their probability density function does not have an explicit solution. In this paper, we present three analytic approximation methods — homotopy perturbation method, Adomian decomposition method, and variational ite...
متن کاملThe effect of changes in fertility on the age distribution of stable populations
When fertility increases in a previously stable population, the new stable population will be younger than the old one, and the two age distributions will cross at the mean age of the populations. 1. Relationship Consider a stable population with a growth rate r. Suppose that, in that population, agespecific fertility rates change to new levels and stay constant thereafter, while mortality rema...
متن کاملDetermination of the mean age of menopause and it's distribution terms of known variables in Kerman
This research is a cross _ sectional and descriptive study for determining of the mean age of menopause and related factors in Kerman province. The sample included 2000 of Kerman families which chosen by clustering method, and the women of 40_60 years were studied. The women who had not become menopause physiologically were omitted. So the sample size decreased to 224(102 urban, 122 rural). ...
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ژورنال
عنوان ژورنال: Demography
سال: 1969
ISSN: 0070-3370,1533-7790
DOI: 10.2307/2060395