Sentence:  Punishment can be positive or negative, but both decrease the chances of the behaviour recurring. Positive punishment adds something unpleasant: yelling at the cat, for example. Negative punishment removes something pleasant: your company, for example, by putting the cat in the <WSD>sin bin</WSD> (see Chapter 9). 
Meaning of the word marked with <WSD> tags:  A place for transgressors, a limbo; a place of confinement or self-isolation after (or in order to avert) transgressions; a state of disgrace.