According to Bowlby, the _____ formed in infancy continue to affect the expectations children and adolescents hold for relationships with others

During the __________ stage of development children begin to be able to attend to two or more dimensions of a stimulus at the same time

a) sensorimotor b) concrete operations c) preoperational d) formal operations

__________ greatest achievement has been said to have been his/her "founding of the field of cognitive development as we currently know it."

a) Lev Vygotsky b) Jean Piaget c) Erik Erikson d) Mary Ainsworth