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 ________.