After a field trip to the museum, Leslie asks her son, "What was the first thing we did? Why weren't the trains moving? I thought that the pink airplane was really big

Which conservation skills does a concrete operations thinker possess?

a. The ability to decenter, but neither reversibility nor transformational thought b. Reversibility, but neither the ability to decenter nor use transformational thought c. Transformational thought, but neither the ability to decenter nor to reverse d. The ability to decenter, reversibility, and transformational thought

Infant cries communicate a different level of need through pitch, tempo, and duration

a. True b. False Indicate whether the statement is true or false