Stacey has been dancing since she was 4 years old and is extremely good at it. In fact, she is so good that she far surpasses other students who have been taking dance classes for the same amount of time. Gardner would say that Stacey demonstrates intelligence.

bodily-kinesthetic                  

Explanation:

Bodily-kinesthetic intelligence is determined as one of the different bits of intelligence in the multiple intelligence theory which was proposed by  Howard Gardner. Bodily-kinesthetic is considered as a type of learning intelligence that an individual holds, and is referred to as an individual's capability to process information "physically" via body and hand movement, expression, and control.

Example: Athletes, dancers, and gymnasts, etc.

As per the question, Gardner would say that Stacey demonstrates bodily-kinesthetic intelligence.

a: social security and social programs