When “sleep training” my 8-month-old son, I “rewarded” his b…

When “sleep training” my 8-month-old son, I “rewarded” his behavior that took him closer and closer to the target behavior (i.e., sleeping). At first he got his back rubbed when he sat in his crib, then when he put his hands down on the mattress, then when he would lie down. This procedure of reinforcing behavior that moves closer to the target behavior is called ________.

Little Jimmy has met his grandmother only once, but that exp…

Little Jimmy has met his grandmother only once, but that experience was very positive. In fact, the experience was so wonderful that every time he sees an older-looking woman, he runs over to her with a big smile and his arms outstretched. Which conditioning phenomenon does Jimmy demonstrate?