Arnold Gesell contributed to school psychology by devising prototypical normative assessments of infants and young children.

Arnold Gesell contributed to school psychology by devising prototypical normative assessments of infants and young children.

• A. Devised prototypical normative assessments of infants and young children
• B. Created the first standardized achievement tests for high school students
• C. Pioneered behavior therapy for ADHD
• D. Developed IQ tests for adults

Answer: (A)

The main idea here is understanding how early developmental benchmarks are established and used in practice. Arnold Gesell contributed by creating normative developmental assessments for infants and young children—the Gesell Developmental Schedules. These were some of the first tools to describe typical sequences of developmental milestones and to provide age-based norms so a child’s abilities could be compared to what is expected for their age. This normative approach helps clinicians and educators identify delays or atypical development early and track progress over time. The other options point to different areas: high school standardized achievement tests came from later efforts focused on academic skills for older students, behavior therapy for ADHD is associated with behavioral interventions developed after Gesell’s time, and IQ tests for adults were developed by other researchers. So, the described contribution aligns with establishing normative developmental measures for very young children.

The main idea here is understanding how early developmental benchmarks are established and used in practice. Arnold Gesell contributed by creating normative developmental assessments for infants and young children—the Gesell Developmental Schedules. These were some of the first tools to describe typical sequences of developmental milestones and to provide age-based norms so a child’s abilities could be compared to what is expected for their age. This normative approach helps clinicians and educators identify delays or atypical development early and track progress over time.

The other options point to different areas: high school standardized achievement tests came from later efforts focused on academic skills for older students, behavior therapy for ADHD is associated with behavioral interventions developed after Gesell’s time, and IQ tests for adults were developed by other researchers. So, the described contribution aligns with establishing normative developmental measures for very young children.