Your course textbook can be accessed via the Redshelf link in the Getting Started module.
Research and Evaluation in Education and Psychology. Integrating Diversity with Quantitative, Qualitative and Mixed Methods
Mertens, D. M. (2019). Research and evaluation in education and psychology. Integrating diversity with quantitative, qualitative and mixed methods (5th ed.). Sage Publications.
Read pages 118-121 with information on research questions and hypotheses and the relationship between types of research questions and research design.