John W. Creswell 
Educational Research: Planning, Conducting, and Evaluating Quantitative and Qualitative Research, Global Edition [PDF ebook] 

Educational Research: Planning, Conducting, and Evaluating Quantitative and Qualitative Research offers a truly balanced, inclusive, and integrated overview of the processes involved in educational research. This text first examines the general steps in the research process and then details the procedures for conducting specific types of quantitative, qualitative, and mixed methods studies. Direct guidance on reading research is offered throughout the text, and features provide opportunities for practice.Throughout the 6th Edition, examples are now drawn from a broad range of fields, including program evaluation, multicultural research, counseling, school psychology, and learning and cognition. In addition, enhanced coverage incorporates the latest technology-based strategies and online tools, and more information about single-subject research methods.