Which statement about research problems and paradigms (qualitative and quantitative methods) is true?
a) Qualitative research is always subjective, while quantitative research is always objective.
b) Quantitative research focuses on words and descriptions, while qualitative research uses numbers and statistics.
c) Qualitative research is exploratory, aiming to understand phenomena in depth, while quantitative research tests hypotheses and predicts outcomes.
d) Quantitative research is primarily used in social sciences, while qualitative research is used in natural sciences.