A 3-year-old boy is brought to the outpatient department with complaints of developmental delay. He can feed himself a biscuit, can draw a line, can climb steps, and only says bisyllables. Which one of the following developmental screening tools is not suitable for him?
Phatak's Baroda Screening Test
Phatak's Baroda Screening Test is standardized and validated only for infants and toddlers from birth up to 2.5 years (30 months) of age. A 3-year-old (36 months) child falls outside its applicable age range, making it unsuitable, whereas ASQ, TDSC, and Denver II all cover children up to at least 3-6 years.
Consider the following statements with respect to developmental milestones at 9 months of age :
1. At this age, child develops immature pincer grasp.
2. At this age, child can say bisyllables (mama, dada, etc.).
3. At this age, child can wave bye-bye.
Which of the statements given above are correct?