پاورپوینت فصل 4 تحقیق - دانلود رایگان
دانلود رایگان
دانلود رایگان لینک دانلود و خرید پایین توضیحاتدسته بندی : پاورپوینتنوع فایل : powerpoint (..ppt) ( قابل ويرايش و آماده پرينت )تعداد اسلاید : 33 اسلاید قسمتی از متن powerpoint (..ppt) : Chapter 4 Variables, validity, and reliability Variables and scales Types of validity and reliability Types of sampling Representativeness Generalizability Collection of biographical data hypotheses Directional one-tail positive negative Non- directional two tails Null H0 Examples French speaking learners of English will perform better following form-focused instruction than will Japanese's-speaking learners of English. There will be no difference between the performance of the French group and Japanese group on the posttest.