Schaffer and Emerson's (1964) Study on the Relationship Between Maternal

Schaffer and Emerson's (1964) study on the relationship between maternal feeding practices and attachment revealed that

A) breast feeding results in stronger mother-infant attachments than bottle feeding
B) infants fed "on demand" were more closely attached than those fed at regular intervals
C) none of the maternal feeding practices were related to the strength of mother-infant attachments
D) in the vast majority of the cases, it was the father rather than the mother who became the child's primary attachment object