In Kohlberg’s theory of moral reasoning, hypothetical scenarios that ask an individual to consider values and ethical principles or to determine right from wrong.

The stage in Piaget’s theory of moral development in which an individual comes to understand that rules are changeable as people create them, and thus they will not be punished necessarily for breaking them.

A set of principles and ideas grounded in the way a social context relates to psychological development. Erikson is often associated with this theory.

Symbols created by cultural phenomena and within specific social contexts that help people with reasoning, reflection, communication, and problem-solving.

A skill acquired in the concrete operational stage of Piaget’s cognitive development theory in which individuals can mentally organize objects according to various features and patterns, and understand how they are related.

Analysis of a problem through meaning discovered in the context of other relevant information. It is a necessary cognitive skill in the development of children’s semantic aptitude.

A phase in which children develop logical reasoning skills and the ability to comprehend conversations but are only able to apply these skills effectively in contexts and situations familiar to them.

The ability to carry out a mental function and then undo one’s thinking back to the point of departure.

The phenomenon in which certain properties of an object (such as weight) remain unchanged despite changes in other properties (such as length).

A developmental phase in which children learn to represent things in the mind.