After Watching a Group of Nursery School Children, We Get

After watching a group of nursery school children, we get the idea that some toys are more popular with children than others are. We would like to test the difference in time spent playing with toys that are used for building (for example, blocks) and toys that are not (for example, stuffed animals). Because there are many differences between boys and girls, we would also like to look at gender as an independent variable
-Diagram the experiment suggested in question 4.