Statistics: An Introduction to Quantitative Economic Research

An Introduction to Action Research

سخن سردبیر Editorial مجله دانشگاه علوم پزشکی رفسنجان دوره 18، تیر 1398، 323-324             مقدمه‌ای بر پژوهش عملیاتی   An Introduction to Action Research     محسن رضائیان[1]   M.Rezaeian   کرت لوین (1947-1890) Kurt Lewin را بنیانگذار پژوهش عملیاتی Action Research می‌دانند. کاربردی که وی از پژوهش عملیاتی در نظر داشت عبارت بود از: پاسخ‌گویی به یک مسأله اجتماعی که با مشارکت فعا...

An Introduction to Focus Group Research

A focus group refers to a group of people who share some common characteristics. A researcher gathers these people in the group in order that they share their points of view and interact with each other over a specific issue. Focus group and Interview group are used interchangeably in the scientific literature and both refer to a method of collecting data in qualitative studies. Given the impor...

An Introduction to Statistics

A similar process can be used when dealing with sample means. If a suYcient number of samples have been taken, and their means plotted, then they begin to take up a normal distribution. It can be shown mathematically that the mean of this distribution (μx) is the same as the population mean (μ). Furthermore, the standard deviation of the distribution is equal to ó/'n, where n is the number of c...

An Introduction to Medical Statistics

265 teachers in applied microbiology, although other non-medical microbiologists may want to use it as a ready reference text.

An Introduction to Sociolinguistics