A child that can think in abstract concepts and is able to systematically solve a problem in a logical way—rather than through trial-and-error—is at what stage of cognitive development?

A father has two identical juice boxes. He pours one into a tall, skinny cup for his daughter Sarah, and one into a short, wide cup for his son Max. Max begins crying, insisting that Sarah got more juice.

According to Piaget's stages of cognitive development, which stage must Max meet in order to understand that he and Sarah received the same amount of juice?

Though the bond between parent and child begins at birth, attachment patterns can be better identified once the child becomes mobile and is able to walk and explore their surroundings. Thus, birth to 18 months of age is a critical time in which attachment bonds form and in which attachment styles begin to be observed and solidified.

Erik Erikson’s first stage of development, which also encompasses birth to 18 months of age, coincides nicely with attachment theory and its tenets. Which of the following best describes the basic conflict in Erikson’s first stage?

With regard to Piaget's theory of cognitive development, at what age would a normal child most likely be in the concrete operational stage?

Milgram’s experiment was designed to test the conditions under which a person’s morality could be overridden by an authority figure who asked the person to carry out an action contradictory to his or her moral beliefs. A person’s morality develops through which of the following?