試題詳解

3.Four-year-old May was scen by Dr. Raymond, a clinical psychologist, to assess ber language development. Dr. Raymond decided to assess May's language development by giving her a Theory of Mind test that has well established test-retest psychomctric property. Dr. Raymond's choice of assessment in this instance would be:
(A) valid and reliable
(B) valid
(C) valid but not reliable
(D) reliablc but not valid