Final answer:
The statement contains indirect characterization, where Frankie's traits are revealed through his actions and demeanor.
Step-by-step explanation:
The statement provided contains indirect characterization. Indirect characterization refers to the process of revealing a character's traits through their actions, thoughts, or speech rather than directly stating them. In this case, Frankie's superior attitude is portrayed through the description of his smug grin and the mention of his feeling of superiority over his classmates.
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