Pearson Edexcel Level 3 GCE 9PS0/03 Psychology Advanced PAPER 3: Psychological Skills

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FORMULAE AND STATISTICAL TABLES Standard deviation (sample estimate) Spearman’s rank correlation coefficient Critical values for Spearman’s rank Level of significance for a one-tailed test 0.... 05 0.025 0.01 0.005 0.0025 Level of significance for a two-tailed test N 0.10 0.05 0.025 0.01 0.005 5 0.900 1.000 1.000 1.000 1.000 6 0.829 0.886 0.943 1.000 1.000 7 0.714 0.786 0.893 0.929 0.964 8 0.643 0.738 0.833 0.881 0.905 9 0.600 0.700 0.783 0.833 0.867 10 0.564 0.648 0.745 0.794 0.830 11 0.536 0.618 0.709 0.755 0.800 12 0.503 0.587 0.678 0.727 0.769 13 0.484 0.560 0.648 0.703 0.747 14 0.464 0.538 0.626 0.679 0.723 15 0.446 0.521 0.604 0.654 0.700 16 0.429 0.503 0.582 0.635 0.679 17 0.414 0.485 0.566 0.615 0.662 18 0.401 0.472 0.550 0.600 0.643 19 0.391 0.460 0.535 0.584 0.628 20 0.380 0.447 0.520 0.570 0.612 21 0.370 0.435 0.508 0.556 0.599 22 0.361 0.425 0.496 0.544 0.586 23 0.353 0.415 0.486 0.532 0.573 24 0.344 0.406 0.476 0.521 0.562 25 0.337 0.398 0.466 0.511 0.551 26 0.331 0.390 0.457 0.501 0.541 27 0.324 0.382 0.448 0.491 0.531 28 0.317 0.375 0.440 0.483 0.522 29 0.312 0.368 0.433 0.475 0.513 30 0.306 0.362 0.425 0.467 0.504 The calculated value must be equal to or exceed the critical value in this table for significance to be shown. [Show More]

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