Page:Mind (Old Series) Volume 11.djvu/398

 ON THE TIME-SENSE. 397 VI. L. T.S. 11 EXPERIMENTS, OF WHICH 1 is IRREGULAR. 1-480 750 744 660 59O 5OO 360 -260 1-571 777 787 660 583 494 356 245 1-494 807 789 667 580 462 351 259 1-556 830 743 653 588 486 348 258 1-544 792 794 654 583 490 335 254 1-516 815 803 636 578 496 346 261 1-537 829 791 640 548 490 347 256 1-540 823 786 659 547 488 345 251 1-574 850 789 653 562 490 367 252 1-574 890 776 651 564 496 337 252 1-587 870 783 680 571 486 332 250 1-552 870 851 657 569 494 342 246 1-536 875 809 653 580 492 332 248 VII. H.H.D. 11 EXPERIMENTS, OF WHICH 4 ARE IRREGULAR. 1-458 979 730 6OO 472 400 1-488 1-006 751 597 462 390 1-436 970 718 602 458 394 1-589 998 726 588 438 369 1-602 955 739 596 434 365 1-694 941 731 600 447 356 1-693 994 734 605 436 344 1-663 1-050 733 585 482 340 1-582 1-021 726 596 435 335 1-647 999 732 562 442 333 1-683 1-011 735 559 442 340 1-688 987 718 579 434 335 1-619 971 747 590 442 345 A glance at these Tables shows that, in each case, short inter- vals are shortened and long intervals are still further lengthened in their reproduction ; and that somewhere between the two extremes is an interval, in the reproduction of which there is made practically no error. These points are more plainly seen in the annexed series of curves, which represents, in detail, experi- ments 1, 2, 5, 8, 10 of Table I. Each mm. of ordinate represents -02 sec. The dotted line for each curve (opposite which the number of the experiment is placed) represents the level of the standard interval above the common base-line. The curve is obtained, in each case, by joining with straight lines the upper limits of the ordinates, the lengths of which repre- sent the value of successive reproductions of the standard inter- val. The ordinates are separated from each other by a space of 1 mm. Where no error is made in reproducing the standard, the curve hugs the dotted line, as is the case with the middle one. Where an error is made, the curve recedes more and more from the dotted line, according to the amount of the error ; and is above or below it, according as the error is plus or minus.