Awkwardness, stuttering, shyness, and confusion predominate at the behavioral level. Mistaking introversion for shyness is a common error. Emo has been associated with a stereotype of emotion, sensitivity, shyness, introversion or angst. Writing was a way for her to deal with her shyness and insecurities. Crazy Horse was known to have a personality characterized by aloofness, shyness, modesty and lonesomeness. Selective mutism usually co-exists with shyness or social anxiety. Researchers suggest that social self-efficacy is strongly correlated with shyness and social anxiety. Teachers and pediatricians also sometimes mistake it for severe shyness or common stage fright. His inherent shyness can never fully explain his apparent cold indifference. To assist Barton with overcoming her shyness, her parents persuaded her to become a schoolteacher. Her mother encouraged her to try community theater to overcome her shyness. The behaviour may be perceived as shyness or rudeness by others. "Extrovert" is Partridge's rumination on overcoming his shyness. Similarly, worry has shown robust correlations with shyness and fear of social situations. Garner began taking acting lessons at age 15 to overcome her shyness.