The fourth module in the Roadmap to Data Analysis series, this short video helps you determine which statistical test to use for comparing averages between two groups, describes the differences between the independent t test and dependent (paired) t test, and demonstrates how to use a t test calculator with example data, and interpret results.
The Student’s t-test is used in this video: Paired-t-test-calculator-tool
This series introduces Survivor of Torture programs to essential concepts and methods for data analysis and demonstrates the use of various tools. The series’ objectives are to:
- Provide an introduction to basic statistical procedures relevant to SOT agencies
- Provide a foundation to analyze and interpret data on clients, services, and outcomes
- Provide an introduction to the use of available tools for basic analysis of data
- Provide an understanding of the limitations of statistical analysis, and guidelines for agency staff about when to seek statistical consultation
Ed Cohen, Ph.D., Associate Professor, School of Social Work at San Jose State University
Dr. Cohen is a frequent consultant with the National Capacity Building Project of the Center for Victims of Torture on the subject of evaluation. Dr. Cohen received his M.S.W. and Ph.D. in Social Welfare at the University of California at Berkeley. He has taught research methods (UC Berkeley) courses in managed care (UC Davis) and has provided training to mental health agencies in improving agency performance through the use of data and evaluation. Practice experience includes over 17 years in senior positions as a clinician, administrator, policy planner, and consultant in both private and public mental health and social service agencies. Dr. Cohen was Director of the Center for Social Services Research at the University of California at Berkeley prior to joining the faculty at SJSU. He is past editorial board member of the journal Research on Social Work Practice and now serves on the editorial board for the International Journal of Clinical Psychiatry and Mental Health.