The sixth edition of *Research Methods in Education* by Louis Cohen, Lawrence Manion, and Keith Morrison covers the full range of methods used in educational research at all stages. The book is divided into five main parts: the context of educational research, planning educational research, styles of educational research, strategies for data collection and researching, and data analysis. New content includes complexity theory, ethics, sampling, sensitive educational research, researching powerful people, Internet-based research, interviewing, and surveys. The book also features expanded coverage of experimental research, questionnaire design, and practical guidance on conducting surveys. A new part on data analysis includes five chapters on qualitative and quantitative methods, such as content analysis, grounded theory, statistics, and reporting data. The book is accompanied by a comprehensive website with additional resources, making it an essential text for students and professionals in educational research.The sixth edition of *Research Methods in Education* by Louis Cohen, Lawrence Manion, and Keith Morrison covers the full range of methods used in educational research at all stages. The book is divided into five main parts: the context of educational research, planning educational research, styles of educational research, strategies for data collection and researching, and data analysis. New content includes complexity theory, ethics, sampling, sensitive educational research, researching powerful people, Internet-based research, interviewing, and surveys. The book also features expanded coverage of experimental research, questionnaire design, and practical guidance on conducting surveys. A new part on data analysis includes five chapters on qualitative and quantitative methods, such as content analysis, grounded theory, statistics, and reporting data. The book is accompanied by a comprehensive website with additional resources, making it an essential text for students and professionals in educational research.