Our class learned health communications theories. Suppose a person should perform a given health behavior; one or more of the following must be true. Please select all statements that say true. A$.$ The person must have formed a strong positive intention to perform the behavior. B$.$ There are no environmental constraints that make it impossible to perform the behavior. C$.$ The person perceives that performance of the behavior is more consistent than inconsistent with his or her self$-$image, or that its performance does not violate personal standards that activate negative self$-$actions. D$.$ The person perceives that he or she has the capability to perform the behavior under a number of different circumstances. E$.$ The person perceives more social $($normative$)$ pressure to perform the behavior than not to perform the behavior. F$.$ The person believes that the advantages $($benefits$,$ anticipated positive outcomes$)$ of performing the behavior outweigh the disadvantages $($costs$,$ anticipated negative outcomes$).$ G$.$ The person has the skills necessary to perform the behavior.