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学生对 密歇根大学 提供的 Sampling People, Networks and Records 的评价和反馈

4.5
54 个评分
17 个审阅

课程概述

Good data collection is built on good samples. But the samples can be chosen in many ways. Samples can be haphazard or convenient selections of persons, or records, or networks, or other units, but one questions the quality of such samples, especially what these selection methods mean for drawing good conclusions about a population after data collection and analysis is done. Samples can be more carefully selected based on a researcher’s judgment, but one then questions whether that judgment can be biased by personal factors. Samples can also be draw in statistically rigorous and careful ways, using random selection and control methods to provide sound representation and cost control. It is these last kinds of samples that will be discussed in this course. We will examine simple random sampling that can be used for sampling persons or records, cluster sampling that can be used to sample groups of persons or records or networks, stratification which can be applied to simple random and cluster samples, systematic selection, and stratified multistage samples. The course concludes with a brief overview of how to estimate and summarize the uncertainty of randomized sampling....

热门审阅

MM

May 28, 2017

the most comprehensive course about sampling undoubtedly. Try to take quizzes as well in order to get the most of the course and materials.

JO

Jun 20, 2019

The MOST useful class among this survey specializations. Highly recommended.

筛选依据:

1 - Sampling People, Networks and Records 的 17 个评论(共 17 个)

创建者 Mohammad M

May 28, 2017

the most comprehensive course about sampling undoubtedly. Try to take quizzes as well in order to get the most of the course and materials.

创建者 Compaoré G D

Sep 02, 2017

It was a fantastic course.

创建者 Carlos F P

Apr 27, 2017

Excellent course with very useful material on sampling.

创建者 Rawaz M S

Apr 04, 2017

Very poor course, especially when it gets to the last weeks, there are no enough instructions to help you in the exam. it is all about money transaction, I am sorry to say that.

创建者 marine h

Jun 24, 2019

very difficult in comparison to the other courses of the specialisation. The professor seems great, but the course was far too difficult for my statistics basis and in comparison with the rest of the specialisation. This course needs a strong introduction or pre-course if it is to stay in the specialisation.

创建者 Simon

Jul 07, 2018

Great presentation of the materials

创建者 Anna B R

Jan 29, 2018

Great course

创建者 Kathleen j D

May 09, 2018

It is a tough course, but I learned so much

创建者 Federico B

Sep 14, 2017

Great course and excellent teaching.

创建者 Guy F H

May 01, 2017

Very useful course to get the foundation in understanding the sampling process

创建者 Sangha

Nov 12, 2017

Excellent tutor. Easy to follow and useful coursework. Thanks!

创建者 G P

Feb 27, 2018

A brilliant course for everybody interested in surveys and polls based on samples - whether as a producer of data who has to draw samples him- or herself or as a consumer of statistics wondering how scientists can make statements about a population by asking or examining just a few.

创建者 Mislav J

Mar 24, 2019

Great course!

创建者 Jiangda O

Jun 20, 2019

The MOST useful class among this survey specializations. Highly recommended.

创建者 Evan

Apr 14, 2017

This is a good course and I enjoyed the video lectures. The course's reliance on peer-reviewed quizzes was not conducive to learning however. Coursera should seriously consider refraining from peer-reviewed assessments. The student's knowledge can easily be measured using traditional testing methods and the peer-reviewed materials could easily be modified.

创建者 Victoria F

Apr 20, 2017

This course was very good, but for people with less calculation experience, it takes far more time than posted. Also, it would be helpful to upload pdfs of slides so that formulas are more easily accessible and we don't have to scan back through videos to find them.

创建者 Iyshia L

Nov 08, 2018

This course was pretty difficult to me. I think that if there was a summary of the formulas and what the symbols meant that it would've been more helpful. Sometimes the examples did not seem that helpful, they were just a distraction