Douglas Clements Trained Children to Use the Computer Language Known

Douglas Clements trained children to use the computer language known as Logo.Which statement best describes the performance of the children who received the training in comparison those who did not?

A) They performed better on tests of concrete-operational ability and on tests of creativity, but not on general achievement tests.
B) They performed better on general achievement tests and tests of creativity, but not on tests of concrete-operational ability.
C) They performed better on tests of concrete-operational ability, but not on tests of general achievement and creativity.
D) They performed better on tests of creativity, but not on tests of general achievement and concrete-operational ability.