Which type of reliability is concerned with the temporal stability of an instrument?

In Bryan & Harter's very early research on Morse code, the poorest performance,

even after extensive practice, was with (a) random letters (b) random words (c) nonsense syllables (d) sentences

According to DSM-IV-TR, when are the characteristics of a personality disorder evident?

a) infancy b) early childhood c) adolescent years d) middle adulthood