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The present study was aimed at comparing the judgment capacities manifested by young adults, middle-aged adults, and elderly people in an everyday life setting implying the consideration of direct as well as inverse relationships between the cues and the criterion. The chosen situation was borrowed from elementary physics and concerned the relationships between mass, volume and density. In forming their estimations of mass, all elderly people were able to use volume and density information. In addition, most of them were able to combine these pieces of information in a correct, multiplicative way. In forming their estimations of volume, all elderly people were able to use mass and density information but a majority of them used the density information in a direct way. By contrast, most young and middle-aged adults correctly used the density information in an inverse way. The findings strengthen and extend the …