प्रारंभिक स्कूली अवस्था (6-12 वर्ष की आयु) के दौरान, बच्चों को किस मनोसामाजिक संघर्ष का सामना करना पड़ता है?

According to Piaget, the stage in which children develop object permanence is:

Kohlberg's highest stage of moral development is characterized by:

Which of the following behaviors in early childhood would MOST strongly indicate a need for developmental screening for Intellectual and Developmental Disabilities (IDD)?