Laboratory Exercise on Planned Action Sequences, 2001 N=12 undergrads, 1996, subject numbers < 20 N=3 undergrads, 1998, subject numbers 21, 22, 23 N=2 Wharton grads, 1998, subject numbers 25, 28 N=3 Psych grad students, 1998, numbers 24, 26, 27. N=7 undergrads, 2001, subject numbers 31-34,36-38 Subject numbers <30 were asked to minimize their durations, from first to last stroke of each sequence. Subject numbers >30 were asked to minimize their total times, from signal to last stroke of each sequence. The 27 subjects were divided into two groups, 21 "faster," and 6 "slower", based on duration. Time unit = 1 msec. Values below are from the 15 relatively fast subjects, excluding 1,11,24,26,27,38. Mean Durations: 2 3 4 5 6 8 16 rand.alt NA 191 332 558 825 NA NA rand.one 78 250 440 723 NA NA NA doublet 142 277 440 661 NA NA NA hierarchy NA NA 264 NA 512 716 1776 repeat 141 294 459 619 NA NA NA alternate NA 176 287 390 521 NA NA the NA 150 279 419 589 NA NA Mean Interstroke Times: 2 3 4 5 6 8 16 rand.alt NA 95.7 110.5 139.4 165.1 NA NA rand.one 77.9 125.0 146.5 180.8 NA NA NA doublet 142.3 138.7 146.6 165.2 NA NA NA hierarchy NA NA 88.1 NA 102.4 102.3 118.4 repeat 140.6 147.1 153.0 154.7 NA NA NA alternate NA 88.2 95.7 97.4 104.1 NA NA the NA 74.9 93.0 104.8 117.7 NA NA Parameters of fitted quadratic functions: First for sequences with n=2,3,4,5 rand.one doublet repeat Intercept -19.41 57.71 -13.79 lin 45.41 43.30 150.38 quad 27.86 21.41 1.6 Next for sequences with n=3,4,5,6 rand.alt alternate the Intercept 81.97 1.62 -40.17 lin -42.02 73.20 65.32 quad 31.86 5.03 10.04 Serial Position ISTs for Rosenbaum et al. replication and extension Length 4: 81 107 76 Length 8: 84 118 80 143 89 116 87 Length 16: 93 127 88 164 96 129 96 172 101 125 97 162 104 124 98 Length 6 (mean over position of nonrepeated bigram): 84 124 89 127 89 Length 6, separated by position of nonrepeated bigram: Position 1: 83.0 124.0 108.3 120.0 97.4 Position 3: 84.6 128.5 95.8 125.1 106.7 Position 5: 84.5 112.3 83.8 132.2 85.7 Doublet IST versus Control Bigram IST 2 3 4 5 control 78 121 146 173 (slope for n=3,4,5: 26.0 msec/stroke) doublet 142 155 160 161 (slope for n=3,4,5: 3.0 msec/stroke) THE ISTs versus non-THE ISTs in THE strings 3 4 5 6 non-the NA 110.3 119.2 130.4 (slope for n=4,5,6: 10.1 msec/stroke) the 74.9 83.7 88.6 95.9 (slope for n=4,5,6: 6.1 msec/stroke) Mean Latencies for Faster Subjects in 2001 2 3 4 5 6 8 16 rand.alt NA 261 317 353 358 NA NA rand.one 219 280 273 309 NA NA NA doublet 313 276 294 296 NA NA NA hierarchy NA NA 274 NA 285 296 359 repeat 265 273 284 301 NA NA NA alternate NA 299 278 315 281 NA NA the NA 244 259 263 298 NA NA Mean Latencies for Faster Subjects in Earlier Groups 2 3 4 5 6 8 16 rand.alt NA 368 424 513 584 NA NA rand.one 363 365 376 462 NA NA NA doublet 293 333 335 349 NA NA NA hierarchy NA NA 347 NA 382 383 594 repeat 294 314 323 324 NA NA NA alternate NA 403 355 365 382 NA NA the NA 334 354 358 435 NA NA