Social capabilities across human development | Part 5 A person's movement can suggest what they are trying to do, but similar movements can serve different goals. Social assistance involves checking the person's aim before supplementing their actions. Asking for a tool does not mean asking someone to take over Two friends are making a small birdhouse. One reaches toward the back of the table. The other points to a blue screwdriver and asks, "This one?" After a nod, the screwdr...