Table 6.

Literature Comprising Meta-Analysis for Motor Processor Cycle Time Parameter Estimation

Study	n	Mean age	Ages sampled	Motor processor cycle time (ms)	SE (ms)
Basak & Verhaeghen (2003)	29	74	69–79	123	28
Batsakes & Fisk (2000)	24	72	64–82	119	24
Glass et al. (2000)	10	65	60–70	135	25
Jagacinski, Greenberg, Liao, & Wang (1993)	31	65	60–69	141	24
Jagacinski, Liao, & Fayyad (1995)	16	65	60–69	142	30
Kemper, Herman, & Lian (2003)	75	73	70–80	139	19
Ketcham, Seidler, Van Gemmert & Stelmanch (2002)	15	68	62–74	129	20
Leonard (1952)	25	66	60–72	140	15
Miles (1931)	259	65	55–85	145	35
Podlesny & Dustman (1982)	16	71	65–75	160	22
Romero, Van Gemmert, Adler, Bekkering, & Stelmach (2003)	15	68	53–80	133	29
Smith, Umberger, et al. (1999)	385	75	60–90	154	37
Welford (1958)	86	65	61–69	138	31
Weighted mean parameter estimate	986	64	53–90	146	128–164*

Note. n = number of participants in age range of interest per study.

^*Values represent plus or minus two standard deviations of means.