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.
Read Chapter 11 for information on how sampling decisions are made based on paradigms and specific populations of interest. Excellent information about sample size considerations and strategies for selecting samples (probability, theoretical and convenience) is provided, which you will find useful in completing your Lesson 8 Assignment.