Are you an introvert or an extrovert? If you're highly outgoing, talkative, and assertive, you may be an extrovert. If you draw your energy from time alone or in smaller groups, you may be an ...
2 Poznan University of Technology, Institute of Applied Mechanics, Poznan, Poland 3 Stanislaw Staszic University of Applied Science, Institute of Health Protection, Pila, Poland Background ...