Why is early childhood called the 'Toy Age'?

→ According to John Bowlby's Attachment Theory, regarding the psychological implications of 'Insecure-Resistant/Ambivalent Attachment' and 'Insecure-Avoidant Attachment' and their scientific management in classroom teaching for students' emotional regulation, peer social interaction, and teacher-student relationships, which of the following psychological statements is most authentic and scientifically valid? → With reference to the theory of children's moral development and Lawrence Kohlberg's stages, consider the following statements: 1. Under the 'Post-conventional Level' of Kohlberg's theory of moral development, the social contract and individual rights orientation implies that an individual believes rules are flexible agreements for social welfare and if a law violates human rights, it should be changed. 2. In the 'Conventional Level's 'Good Boy-Good Girl Orientation', a child is motivated by the desire to live up to expectations of others and be called 'good' by society when making moral decisions. 3. According to Kohlberg, the 'Pre-conventional Level' of moral development begins after approximately 10 to 13 years of age, where a child considers following country laws and rules as their highest moral duty with absolute loyalty to the social order. Which of the statement(s) given above is/are correct? → With reference to children's social development and the process of socialization, consider the following statements: 1. In the process of socialization, the family is considered the primary agent of 'Primary Socialization', where the child learns language, culture, and basic values during infancy and early childhood. 2. Under 'Secondary Socialization', institutions such as schools, peer groups, media, and neighborhoods are included, which play an important role in shaping the child's perspective, social roles, and formal rules as they grow older. 3. According to Lawrence Kohlberg's theory of moral development, the basis of socialization and morality at the Post-Conventional Level is entirely based on blindly following social norms and laws without any criticism. Which of the statement(s) given above is/are correct? → Under Jean Piaget's theory of cognitive development, 'object permanence' is defined as the foundational cognitive achievement enabling an infant to understand that objects, people, or events continue to exist even when hidden from direct sensory perception. Regarding its psychological implications for early childhood learning, symbolic representation, memory development, and developmental exploration, which of the following psychological statements is most authentic and scientifically valid? → Which is the most suitable period for language learning? → What is the time period of the third trimester of pregnancy?