A. Incorrect. Rolling from back to front is not typically achieved at 2 months.

B. Incorrect. Holding a rattle is a skill that usually develops around 4-6 months.

C. Correct. By 2 months, infants should be able to lift their head and chest when placed in a prone position. This indicates appropriate neck and upper body strength development.

D. Incorrect. While smiling responsively is a social milestone, it is usually present earlier, around 6-8 weeks.

A. Correct. By 6 months, infants should be able to sit without support, although they may still wobble or need to use their hands for balance.

B. Incorrect. Walking with assistance typically begins around 9-12 months.

C. Incorrect. Rolling from back to front is a skill that is usually mastered earlier, around 4-6 months.

D. Incorrect. Crawling on hands and knees typically occurs around 7-10 months.

A. Incorrect. Using a fork and spoon independently is a fine motor skill, but it is typically mastered by the age of 4.

B. Correct. Drawing a circle is a developmentally appropriate fine motor skill for a 3-year-old child. It demonstrates the ability to control hand movements and coordination.

C. Incorrect. Counting to 20 is more advanced and typically achieved by children older than 3.

D. Incorrect. Riding a bicycle without training wheels is a gross motor skill that is usually acquired around 5-6 years of age.

A. Incorrect. Reciting the alphabet primarily tests rote memory and may not accurately reflect a child's language development.

B. Incorrect. Observing the child's response to questions is important but does not specifically target language development.

C. Correct. Having the child name familiar objects assesses their expressive language skills and vocabulary.

D. Incorrect. Using a tongue depressor to examine the mouth is not relevant to assessing language skills.

A. Correct. By 8 months, infants should have developed the ability to grasp objects using their thumb and forefinger in a pincer grasp.

B. Incorrect. Using a spoon independently is a skill that is typically developed later, around 12-18 months.

C. Incorrect. Walking with assistance is a gross motor skill that is usually achieved later, around 9-12 months.

D. Incorrect. Rolling from back to front is a skill that is typically mastered earlier, around 4-6 months.

A. Incorrect. Engaging in parallel play (playing alongside other children without direct interaction) is more typical of toddlers around 2 years old.

B. Incorrect. Initiating complex games with peers may occur later, around 3-4 years old.

C. Correct. Around 15 months, toddlers typically begin to exhibit stranger anxiety, which is a normal developmental response to unfamiliar individuals.

D. Incorrect. Independent dressing is typically achieved later, around 2-3 years old.

A. Incorrect. Understanding the concept of conservation of volume is a more advanced cognitive skill typically mastered later, around 7-8 years old.

B. Incorrect. Solving complex mathematical equations is beyond the cognitive abilities of most 6-year-olds.

C. Correct. Identifying primary colors is a developmentally appropriate cognitive skill for a 6-year-old child.

D. Incorrect. Recognizing abstract concepts is typically a more advanced cognitive skill and is not expected at this age.

A. Correct. Reviewing recent report cards and standardized test scores provides valuable information about the child's academic performance and learning abilities.

B. Incorrect. Observing play activities is important for assessing social and emotional development but may not provide specific information about academic abilities.

C. Incorrect. While reciting times tables is a math skill, it does not provide a comprehensive assessment of overall learning abilities.

D. Incorrect. Performing a neurological examination is not typically indicated for assessing academic performance.