Suppose That an Adolescent Does Very Well on the Pendulum

Suppose that an adolescent does very well on the pendulum problem but has great difficulty with other formal operational tasks.Is this performance typical of adolescents?

A) no, it is very unusual in adolescents of all ages and ability levels
B) no, it is very unusual and is indicative that the adolescent has a general developmental delay in cognitive functions
C) yes, is quite common if this adolescent is still in the process of completing pubertal maturation
D) yes, it is quite common for both adolescents and many adults regardless of age or maturational processes