Garrison wants to become healthier by making good decisions regarding the determinants to his health that he can control. garrison has decided to join a group of friends who meet up to run every weekend. by associating with people that are active, garrison is making positive decisions regarding determinants.

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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answer; allows decision to stand;