Increased negative affect may include feelings of:

Increased negative affect is typically associated with unpleasant emotions and psychological distress. Feelings such as loneliness and anxiety fall squarely within this realm, as they represent emotional states that can lead to a heightened sense of discomfort, isolation, and worry. Loneliness reflects a sense of disconnection and a desire for social interaction that is unmet, while anxiety encompasses feelings of apprehension and unease that can manifest in various forms.

The other options describe positive emotional states or comfort, which do not align with the concept of negative affect. Joy and happiness represent positive emotions commonly associated with well-being. Confidence and pride are also positive feelings that imply a sense of achievement or self-assuredness. Similarly, relaxation and contentment indicate a state of calm and satisfaction, which is the opposite of negative affect. Hence, the selection of loneliness and anxiety accurately reflects the characteristics associated with increased negative affect.