Answer:
social and individual
Explanation:
According to my research on studies conducted by behaviorists, I can say that based on the information provided within the question Garrison is making positive decisions regarding social and individual determinants. This is because he is running and making healthier decisions which affects him individually, but is also meeting up with friends and spending more time socially in groups, which affects his social life in a positive way.
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I am not fully sure that this is correct, but I believe it is yellow journalism. Forgive me if I'm wrong, though.
