According to Wilhelm Stern's method of measurement,a ten-year-old child who is able to perform the mental tasks of a ten-year-old (but not of an eleven-year old)has an IQ of ____.
A) 80
B) 90
C) 100
D) 110
E) 120

Question

Quizplus · Accepted Answer

According to Wilhelm Stern's method of measurement, IQ is calculated as mental age divided by chronological age and then multiplied by 100. In this case, the child's mental age matches their chronological age, resulting in an IQ of 100.

According to Wilhelm Stern's Method of Measurement,a Ten-Year-Old Child Who