Adolescents Presented with Piaget's Famous Pendulum Problem __________

Multiple Choice

Adolescents presented with Piaget's famous pendulum problem __________.

A) test for the effect of string length without holding weight constant
B) isolate and test each variable, as well as testing the variables in combination
C) typically fail to notice variables that are not immediately suggested by the concrete materials of the task
D) eventually deduce that the weight of the object and the string length do not affect the speed of the pendulum swing