Case and grounded theory as qualitative research methods.

Case and grounded theory are two methods of qualitative research. Both methods have their roots in sociology and are focused on understanding, explaining, and/or predicting human behavior. They are ideal methods for nursing research, as they are useful for exploring human responses to health problems. The theoretical underpinnings, methodologies, strategies for data collection, requirements for trustworthiness, and examples of research using case and grounded theory are described.