In situations when the presentation of reinforcement is controlled, such as during training, the timing of when a reinforcer is presented can be manipulated. During the early stages of learning, continuous reinforcement is often used. This schedule involves reinforcing a response each and every time it occurs.
Newcomb is either English or Welsh in origin and if your family arrived in the earliest batch of pre-revolutionary Newcombs they came from the English west country which can also mean Wales. If you need more information there are two books on the Newcombs. I have the one published in 1874.
Surnames: I went to England two years ago and discovered that Newcomb is an English surname. The ending combe means sheep pen.. So, our last new means new sheep pen.. Apparently, an ancestor owned a new sheep pen that impressed people and thus our name. The e at the end must have been dropped at some point.