Although she is intelligent and a good athlete, Abigail believes that her low grades in school and losing the quarter-mile racing record are reflections of her own intellectual and athletic incompetence. Her conclusions best illustrate a pessimistic:

Attributional style

Explanation:

Your attributional style is the way you explain a negative event to yourself, it includes the conclusions you draw from a negative event and the meaning you give to it.

Abigail was intelligent and a good athlete, but she believes that her low grades in school and losing the quarter-mile racing record are reflections of her own intellectual and athletic incompetence, this illustrate her ATTRIBUTIONAL STYLE.

Abigail attributed her failure to her incompetence.

A pessimistic attributional style assumes that others or the self are to blame for bad things as opposed to let's say circumstances.