A researcher wants to find out whether children who grow up speaking more than one language are more creative than children who grow up monolingual. Approximately equal numbers of multilingual and monolingual children are recruited and are asked to complete a creativity test. Which of the following statistical procedures could be used?

a. Point-biserial correlation

b. Independent-measures t test

c. One-way ANOVA

d. All three of the above would work and lead to the same conclusion.