Dr Smith Wants to Study Differences in Gender-Specific Interactions of Adults

Dr Smith wants to study differences in gender-specific interactions of adults with small infants. For this purpose she will conduct a Baby X study and note how adults interact with the child. What kind of test is Dr Smith most likely to use in this study?

A) Adults will be placed in a room with gender-specific toys and then introduced to either a male or a female child. Their toy selection and interactions are being recorded.
B) Adults will observe a child of unknown gender playing and will be asked to describe the child.
C) Adults will be asked to recall how they play with their own children at home
D) Adults will be asked to recall how their own parents played with them at home.