He was one of the only two presidents to be impeached
Answer:
B
Explanation:
everything else is more important
I think its A <span>US naval battleships
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<span>The correct answer is partial reinforcement<span>.
Partial reinforcement refers to a reinforcement schedule, wherein a behavior is reinforced sometimes rather than all the time. Research studies indictae that partial reinforcement is a powerful tool in shaping and maintaining behavior. In this instance, where John sometimes rewards his daughter for excusing herself, he is using a partial reinforcement schedule.</span></span>
