1) Career counseling involves helping individuals explore careers and make educational and career decisions by providing career information and assessments to help them understand their interests and values.
2) Several theories aim to explain career decision-making, including trait-and-factor theory matching personalities to careers, developmental theories about evolving interests over life stages, and social-cognitive career theory involving self-efficacy and environmental influences.
3) Common career assessments and information systems like SIGI3, DISCOVER, and Kuder help individuals learn about themselves and potential careers through interest and skills assessments and extensive occupational databases.