0.6 points Save An Suppose a researcher drew random samples of urban, suburban, and rural children, tested them for creativity, and obtained three means. Should the researcher use a one-way or a two-way ANOVA to test for significance? a. One-way, because the participants were classified categorically O b. One-way, because the participants were classified in only one way: residence in urban, suburban, rural areas O c. Two-way, because the participants were classified categorically O d. Two-way, because the participants were classified in more than one way (urban, suburban, rural)