Which of the following is not an ability of the concrete-operational child?
A) transitivity
B) classification of-objects
C) hypothetical thinking
D) conservation
E) serration
Question 2
During the formal-operational period an adolescent is generally able to:
A) engage in hypothetical thinking
B) coordinate systems of thought into higher systems
C) think abstractly
D) all of the above
E) none of the above