Another theory, is that women are biologically predisposed to having lower self esteems than men, and in having a greater chance of reacting negatively to feedback . Many studies discussed relations between self-esteem and gender differences in development.
All studies done involved using questionnaires and surveys to gather information.
Eiser et al. looked for scholastic competence, social acceptance, physical appearance and behavioural conduct. A person's global self-worth did indeed affect their behaviour. People who were identity achieved had the most stable and highest self-esteem.