The following seven characteristic traits and behaviors are listed in his The New Personality Self-Portrait . Straight face . Individuals with the Serious personality style maintain a sober demeanor. They are solemn and not given to emotional expression. No pretentions .
Serious people hold themselves responsible for their actions.
They will not soft-pedal their own faults and do not let themselves off the hook. They'll always play things over in their minds before they act. Nobody's fool . Men and women with Serious personality style are sharp appraises of others. In their ability to critique other people, they are as unhesitating as in their own self-evaluation.