When capable of concrete operational thought, children

Third stage in Piaget's hypothesis of subjective advancement is the concrete operational. This period traverses the season of center adolescence and is described by the advancement of coherent idea. While kids at this age turn out to be more coherent about concrete and particular things, but still they battle with conceptual thoughts.

answer; i believe the correct answer is (4) flip a coin as each participant arrives,heads indicates assignment to the first group: tails indicates assignment to the second group;

answer; society;