A researcher studying parent-infant interactions develops a coding system for recording her data.Which of the following is an example of such a system?
A)timing the duration of eye contact between the parent and the infant
B)recording the decibel level of the infant's screams when the parent leaves the room
C)counting the number of times that the infant smiles during the interaction
D)assessing the parent's perceptions about the interaction using a self-report questionnaire

Question

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The Answer of A researcher studying parent-infant interactions develops a coding system for recording her data.Which of the following is an example of such a system?
A)timing the duration of eye contact between the parent and the infant
B)recording the decibel level of the infant's screams when the parent leaves the room
C)counting the number of times that the infant smiles during the interaction
D)assessing the parent's perceptions about the interaction using a self-report questionnaire

A Researcher Studying Parent-Infant Interactions Develops a Coding System for Recording