Qualitative research has an advantage over quantitative research when Select one: a. a theory exists to explain connections b. large sample sizes are required C. statistical analysis is possible d. measuring the constructs is difficult Check What kind of study is most suitable to answer the research question: "What is the causal effect of prenatal WIC participation on birth outcomes?" Select one: a. RCT b. Secondary data analyses c. Survey of eligible women d. Focus groups Clear my choice Check