 Secondly, the two theories have been conceptually linked in that Selman's role taking stages correspond to Piaget's cognitive development stages, where preoperational children are at level 1 or 2, concrete operators are at level 3 or 4, and formal operators are at level 4 or 5 of Selman's stages.
<fluency>  Secondly, the two theories have been conceptually linked in that Selman's role taking stages correspond to Piaget's cognitive development stages, where preoperational children are at level 1 or 2, concrete operators are at level 3 or 4, and formal operators are at level 4 or 5 of Selman's stages.
 Secondly, the two theories have been conceptually linked in that Selman's role-taking stages correspond to Piaget's cognitive development stages, where preoperational children are at level 1 or 2, concrete operators are at level 3 or 4, and formal operators are at level 4 or 5 of Selman's stages.