A person describes experiencing excessive anxiety and worries about a variety of things over the past year. The person experiences difficulty controlling these worries, often feels restless or an edge, and has difficulty concentrating The person has also grown increasingly irritable, in easily fatigued, and reports notable muscle tension. Which mental disorder is the person most likely suffering from?

A. Self-serving bias refers to the tendency to attribute personal successes to internal factors and failures to external factors, which does not apply to the teacher's judgment in this scenario.

B. Snap judgment refers to making a quick, often inaccurate, judgment about someone without considering all relevant information, but it is not specifically related to attributing behavior to internal traits.

C. The fundamental attribution error occurs when someone attributes another person's behavior to their internal characteristics (such as laziness) rather than considering external factors (such as traffic or family issues) that may have contributed to the behavior.

D. External attribution involves explaining behavior based on external factors, which would not align with the teacher's assumption that the student is lazy.

A. Groupthink refers to the tendency for group members to conform to the majority opinion in order to maintain group harmony, which is unrelated to task assignment.

B. The bystander effect occurs when individuals are less likely to help in an emergency situation when others are present, which is not related to task assignment.

C. Altruism refers to selfless concern for others, which is not specifically addressed by task assignment in the context of household responsibilities.

D. Social loafing refers to the tendency for people to exert less effort when working in a group. Assigning tasks clearly helps ensure everyone contributes equally and reduces the chance of social loafing.