Sonya and Her 12 Month Old Child Are Recruited to Participate

Short Answer

Sonya and her 12 month old child are recruited to participate in a research study. During the first part of the study, Sonya is instructed to sit in a room while her child plays. During the second part of the study, Sonya is asked to leave her child in the room for several minutes and then return. The researchers in this study appear to be using the ___________________ protocol.