Suppose that you observe 1000 young children, recording the age at which each is first able to pick up a rattle and shake it. You now compute an average age at which this developmental milestone is reached by the "typical" child. Your work would be most similar to the work that is summarized in which of the following?
A) the Newborn Behavioral Observation system
B) the Neonatal Behavioral Assessment Scale
C) the Visual Cliff norms
D) the Gesell Scales

Question

Quizplus · Accepted Answer

Gesell observed hundreds of infants and children, recording the details of when and how certain behaviors emerged, such as crawling, walking, running, picking up a small pellet, cutting with scissors, managing a pencil, or drawing human figures. On the basis of the resulting data, he compiled the first detailed reports of the capabilities of average children at different ages-the Gesell Scales.

Suppose That You Observe 1000 Young Children, Recording the Age