The George Washington University Graduate School of Education and Human Development
Quantitative Research Methods: New Doctoral Student Self-Assessment
 
Introduction
Instructions
Resources
Assessment
Answer Key
Module 1
Module 2
Module 3
Module 4
Module 5
Module 6
Module 7
Module 8
Module 9
Module 10
Module 11
Module 12
Module 13
Answer Key
Module 11: One-Group Inferential Statistics

The correct answers for this module are:

1. B
2. A
3. C
4. A
5. B

If you missed more than two of these problems, you should devote some study to inferential statistics used when you have data from just one sample (and sometimes from a population).

Resources for Studying One-Group Inferential Statistics:


Elementary Statistics: A Step by Step Approach, Third Edition: Chapters 8-9
Allan Bluman; McGraw-Hill, 1998; $96
This big ticket textbook may be worth the price if you find statistics hard to swallow. It explains things well, has lots of graphical illustrations, and provides many examples that are worked out step-by-step.

Statistics for the Utterly Confused, Chapters 12-14
Lloyd Jaisingh; McGraw-Hill 2000; $17.
This book provides good coverage of descriptive and inferential statistics. There are lots of problems and an answer key.

100 Statistical Tests, "New Edition"
Kanji, Gopal; Sage Publications; 1999; $30
The most suitable statistical test depends on the number of samples, nature of the hypothesis, and characteristics of the data. This book provides a Table on page 20 to help steer you to the most appropriate test and then describes 100 different statistical tests and provides a worked example of most.

Hyperstat, Chapters 7-10
http://davidmlane.com/hyperstat/
David M. Lane
This is an online introductory textbook on statistics with pretty good explanations and exercises with an answer key for some. Each chapter has links to other Web sites dealing with similar topics and references to print text books covering the topics.

Online Statistics Course from University of Minnesota, Lesson 9
http://www.cee.umn.edu/dis/courses/STAT1001_7271_01.www/index.html
David Orwell
This online introductory statistics course material is intended to be used with Freedman and et al.'s "Statistics-2nd Ed." (W. W. Norton, 1991).

Rice Virtual Lab in Statistics: Simulations and Demonstrations, Chi Square Test of Deviations from Expected Frequencies
http://www.ruf.rice.edu/%7Elane/stat_sim/index.html
This is a series of inter-active exercises that show how things work. This one illustrates the Chi Square test for a single sample.

Selecting Statistics
http://trochim.cornell.edu/selstat/ssstart.htm
There are hundreds of different statistics and each is optimal under some circumstances and inappropriate in others. This site will help you select the appropriate statistic for a given kind of data and question.


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