CHILD DEVELOPMENT PEDAGOGY

Detailed explanation-1: -Bidirectional Relationships If an entity has a related field, the entity is said to “know” about its related object. For example, if Order knows what LineItem instances it has and if LineItem knows what Order it belongs to, they have a bidirectional relationship.

Detailed explanation-2: -Likewise, the human nervous system is bidirectional and capable of carrying information both to and from the brain and body. For example, if you put your hand on something hot, this information will go to the brain which will send back the message to remove your hand from the heat source.

Detailed explanation-3: -For clarity, we use the term “bidirectional” to mean a relationship in both directions over two time points. For example, an effect of age-3 authoritarian parenting on age-6 affective symptoms, and of age-3 affective symptoms on age-6 authoritarian parenting would be a bidirectional relationship.

Detailed explanation-4: -In a bidirectional relationship, each entity has a relationship field or property that refers to the other entity. Through the relationship field or property, an entity class’s code can access its related object. If an entity has a related field, the entity is said to “know” about its related object.