[NF] added convertes from yes/no to d' to 2AFC correct
[NF] added convertes from yes/no to d' to 2AFC correct

esc/Psignifit-3.x,esc/Psignifit-3.x,esc/Psignifit-3.x,esc/Psignifit-3.x,esc/Psignifit-3.x,esc/Psignifit-3.x