pss4_1 | In the last month, how often have you felt that you were unable to control the important things in your life? | unable to control important things |
pss4_2 | In the last month, how often have you felt confident about your ability to handle your personal problems? | confident handling personal problems |
pss4_3 | In the last month, how often have you felt that things were going your way? | felt things going your way |
pss4_4 | In the last month, how often have you felt difficulties were piling up so high that you could not overcome them? | difficulties piling up |