A paediatrician is studying weight gain in infants. She divides them into 2 groups: breastfed and bottle-fed. Further, she divides them into those whose mothers feed them on a timed schedule, and those whose mothers feed them when they cry (on demand). Weight gain is the dependent measure. What type of analysis should you run? Question 20Answer a. 2x2 factor analysis b. 2x3 factor analysis c. repeated samples t-test d. related samples t-test