what are qualitative research designs
QUALITATIVE RESEARCH DESIGNS. Six common qualitative designs are described in this chapter: phenomenological, ethnographic, grounded theory, historical, case study, and action research. Excerpts. from published nursing studies are presented for each of these six types of qualitative. research.
Quantitative Research Designs. Experiments, Quasi-Experiments, & Factorial Designs. Experimental research in communication is conducted in order to establish. causal relationships between variables. Alternate explanations can be eliminated. only when high control is exercised. Control, therefore, is the key characteristic of. an experiment.