Both the social facilitation and social loafing are examples of the influence that the presence of others have on our behaviors. these phenomenon differ, however, in the presence of others in social facilitation situations and in social loafing situations.

The answer to the first unknown is "increases evaluation apprehension" while in the second unknown is "decreases evaluation apprehension". Hence when both the social facilitation and social loafing are examples of the influence of the others have on our behaviors. These phenomena differ, but however, in the presence of others increases evaluation apprehension in social facilitation situations and decreases in social loafing situations.