TY - GEN AU - Trumbo,D AU - Noble,M AU - Ulrich,L TI - Number of alternatives and sequence length in acquisition of a step-function tracking task SN - 0031-5125 PY - 1966///0219 KW - Adolescent KW - Adult KW - Humans KW - Male KW - Motor Skills KW - Perception KW - Verbal Learning N1 - Publication Type: Journal Article UR - https://doi.org/10.2466/pms.1965.21.2.563 ER -