General Research Methods Texts
In so far as there are many good research methods textbooks freely available online, it is not necessary to purchase a methods textbook for this course.  Nevertheless, the books listed here may be useful. 

Anol Bhattacherjee, 2012. Social Science Research: Principles, Methods, and Practices, 2nd edition http://scholarcommons.usf.edu/cgi/viewcontent.cgi?article=1002&context=oa_textbook.

Alan Bryman 2012 Social Research Methods, 4th ed.
http://www.academia.edu/16577475/Alan_Bryman-Social_Research_Methods_4th_Edition-Oxford_University_Press_2012 The 5th edition (Dec 2015) is also available through Oxford . Lawrence Neuman 2014 Social Research Methods: Qualitative and Quantitative Approaches 7th ed. https://cleavermonkey.files.wordpress.com/2015/10/w-lawrence-neuman-social-research-methods_-qualitative-and-quantitative-approaches-pearson-education-limited-2013.pdf

Paul S. Grey et al., The Research Imagination. Cambridge University Press, 2007.
Click Here

R. Koltari, 2004. Methodology Methods and Techniques Revised 2^nd edtion.
http://www2.hcmuaf.edu.vn/data/quoctuan/Research%20Methodology%20-%20Methods%20and%20Techniques%202004.pdf

Ranjit Kumar, 2011. Research Methodology : A Step by Step Guide for Beginners. 3^rd edition.
http://www.sociology.kpi.ua/wp-content/uploads/2014/06/Ranjit_Kumar-Research_Methodology_A_Step-by-Step_G.pdf

Stuart MacDonald & Nicola Headlam nd., Research Methods Handbook Introductory guide to research methods for social research
http://www.cles.org.uk/wp-content/uploads/2011/01/Research-Methods-Handbook.pdf

David McNabb 2015. Research Methods for Political Science
https://www.academia.edu/39739357

Roger Pierce, 2008. Research Methods in Politics: A Practical Guide
http://blog.sciencenet.cn/home.php?mod=attachment&id=15677

Paul C. Price. 2012. Psychology Research Methods Core Skills and Concepts
http://2012books.lardbucket.org/pdfs/psychology-research-methods-core-skills-and-concepts.pdf

Gordon Rugg and Marian Petre 2007. A Gentle Guide to Research Methods
http://www.imd.inder.cu/adjuntos/article/334/A%20Gentle%20Guide%20to%20Research%20Methods.pdf

Nicholas Walliman , 2011. Research Methods: The Basics
https://disciplinas.stoa.usp.br/pluginfile.php/306288/mod_resource/content/1/BLOCO%202_Research%20Methods%20The%20Basics.pdf

Other good research methods texts (not available on line) include:

Craig Brians, et al. Empirical Political Analysis, Pearson, any edition.

Christina Clark-Kazak, 2023, Research Across Borders: An Introduction to Interdisciplinary Cross-Cultural Methodology, University of Toronto Press

Christopher Howard, Thinking Like a Political Scientist: A Practical Guide to Research Methods.
University of Chicago Press, 2017 ISBN: 9780226327549.

Paul Kellstedt and Guy Whitten, 2013. The Fundamentals of Political Science Research any edition.