Which of the following is a correctly matched pair according to Piaget's developmental stages?

The bioecological model of development, which pictures the environment as a series of nested structures, was proposed by whom?

Match the following stages of Kohlberg's moral development theory with their respective characteristics: Moral Stages: (a) Conforming to obtain reward (b) Maintaining social order (c) Good interpersonal relationships (d) Universal ethical principles Characteristics: (i) Getting the approval of others (ii) Stage based on self-interest (iii) Eternal values accepted by conscience (iv) Importance of justice and law Choose the correct code: