One Study of Preference Among Preschoolers in Australia Compared Taking

One study of preference among preschoolers in Australia compared taking the SB5 to the WPPSI-III.The researchers concluded that

A) no clear preference existed in favor of either test.
B) preschoolers preferred the WPPSI-III over the SB5.
C) preschoolers preferred the SB5 over the WPPSI-III.
D) a halo effect was operative when both tests were administered.