Choice A reason:

This statement is correct. Sitting independently is a milestone in physical development typically achieved around 6 months.

Choice B reason:

Expressive language development is more closely related to cognitive and language development.

Choice C reason:

Cooperative play becomes more significant in social development during later stages.

Choice D reason:

Understanding abstract concepts is part of cognitive development, not physical development.

Choice A reason:

Parallel play is typical in early childhood but is more related to social development.

Choice B reason:

This statement is correct. Counting and identifying colors are cognitive skills appropriate for preschool-age children.

Choice C reason:

Independence in self-care activities is more indicative of physical and self-help development.

Choice D reason:

Expressing a wide range of emotions is more related to emotional development.

Choice A reason:

This statement is correct. Participation in organized sports fosters social development, teamwork, and interpersonal skills.

Choice B reason:

Exposure to diverse social groups is generally beneficial for social development.

Choice C reason:

Involvement in extracurricular activities can contribute positively to social development.

Choice D reason:

Strict parental control may hinder the development of autonomy and social skills in adolescence.

Choice A reason:

This statement is correct. Consistent and predictable routines provide emotional security for toddlers.

Choice B reason:

Exploration of different emotions is essential for emotional development.

Choice C reason:

Interactions with peers are crucial for social and emotional development.

Choice D reason:

Expressing affection is important for building a secure emotional bond with the toddler.

Choice A reason:

This statement is correct. Creative and artistic activities support cognitive development in school-age children.

Choice B reason:

Exposure to diverse academic subjects is generally beneficial for cognitive development.

Choice C reason:

Independent problem-solving is an important skill to encourage in school-age children.

Choice D reason:

Imaginative play contributes positively to cognitive and social development.

Choice A reason:

Reading and comprehension are more related to cognitive development.

Choice B reason:

This statement is correct. Measuring height and weight is a key assessment of physical development.

Choice C reason:

Sharing toys with peers is more related to social development.

Choice D reason:

Proficiency in team sports involves physical and motor skills.

Choice A reason:

Isolating oneself can negatively impact social development and emotional well-being.

Choice B reason:

Participation in group activities and clubs is generally beneficial for social development.

Choice C reason:

Strict parental control may hinder the development of autonomy and social skills.

Choice D reason:

This statement is correct. Involvement in age-appropriate social activities supports healthy peer relationships.

Choice A reason:

Exposure to diverse language environments is important for language development.

Choice B reason:

Imaginative play is crucial for language and cognitive development.

Choice C reason:

Encouraging one-word responses may limit the child's language development.

Choice D reason:

This statement is correct. Providing opportunities for expressive language through play supports language development.

Choice A reason:

Discouraging the expression of negative emotions may hinder emotional development.

Choice B reason:

Providing comfort during times of distress is essential for emotional development.

Choice C reason:

Encouraging independent decision-making is important, but emotional support is also crucial.

Choice D reason:

This statement is correct. Offering comfort and reassurance during moments of distress fosters emotional development.

Choice A reason:

Performing complex mathematical calculations is a specific skill, but abstract thinking is a broader aspect of cognitive development.

Choice B reason:

This statement is correct. Development of abstract thinking and reasoning is a significant milestone in adolescent cognitive development.

Choice C reason:

Mastery of early childhood developmental tasks is expected during earlier stages, not adolescence.

Choice D reason:

Proficiency in fine motor skills is more relevant to earlier developmental stages.