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Verification bias

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43:, obtaining a gold standard test on every patient may not always be ethical, practical, or cost effective. These studies can thus be subjected to verification bias. One method to limit verification bias in clinical studies is to perform gold standard testing in a random sample of study participants. 35:
In clinical practice, verification bias is more likely to occur when a preliminary diagnostic test is negative. Because many gold standard tests can be invasive, expensive, and carry a higher risk (e.g. angiography, biopsy, surgery), patients and physicians may be more reluctant to undergo further
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In most situations, verification bias introduces a sensitivity estimate that is too high and a specificity that is too low.
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Begg CB, Greenes RA (1983). "Assessment of diagnostic tests when disease verification is subject to selection bias".
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procedure is used to verify the test result. This type of bias is also known as "work-up bias" or "referral bias".
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Zhou XH (1998). "Correcting for verification bias in studies of a diagnostic test's accuracy".
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O'Sullivan, JW; Banerjee, A; Heneghan, C; Pluddemann, A (April 2018).
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in which the results of a diagnostic test affect whether the
209: 25: 178: 103: 888: 194: 36:work-up if a preliminary test is negative. 857:Heuristics in judgment and decision-making 201: 187: 80: 149:Statistical Methods in Medical Research 146: 889: 182: 140: 97: 13: 14: 918: 56: 1: 49: 7: 723:DĂ©formation professionnelle 69:BMJ Evidence-Based Medicine 10: 923: 717:Basking in reflected glory 208: 161:10.1191/096228098676485370 82:10.1136/bmjebm-2018-110919 865: 847:Cognitive bias mitigation 839: 704: 579: 216: 24:is a type of measurement 431:Illusion of transparency 799:Arab–Israeli conflict 526:Social influence bias 471:Out-group homogeneity 441:Mere-exposure effect 371:Extrinsic incentives 317:Selective perception 666:Social desirability 561:von Restorff effect 436:Mean world syndrome 411:Hostile attribution 65:"Verification bias" 902:Medical statistics 581:Statistical biases 359:Curse of knowledge 884: 883: 521:Social comparison 302:Choice-supportive 22:verification bias 914: 681:Systematic error 636:Omitted-variable 551:Trait ascription 391:Frog pond effect 219:Cognitive biases 203: 196: 189: 180: 179: 173: 172: 144: 138: 137: 101: 95: 94: 84: 60: 922: 921: 917: 916: 915: 913: 912: 911: 887: 886: 885: 880: 861: 835: 700: 575: 556:Turkey illusion 324:Compassion fade 221: 212: 207: 177: 176: 145: 141: 118:10.2307/2530820 102: 98: 61: 57: 52: 12: 11: 5: 920: 910: 909: 904: 899: 882: 881: 879: 878: 873: 866: 863: 862: 860: 859: 854: 849: 843: 841: 840:Bias reduction 837: 836: 834: 833: 828: 823: 818: 816:Political bias 813: 808: 807: 806: 801: 796: 791: 786: 781: 776: 771: 761: 756: 751: 746: 744:Infrastructure 741: 736: 731: 726: 719: 714: 708: 706: 702: 701: 699: 698: 693: 688: 683: 678: 673: 668: 663: 661:Self-selection 658: 653: 648: 643: 638: 633: 628: 623: 618: 613: 612: 611: 601: 596: 591: 585: 583: 577: 576: 574: 573: 568: 563: 558: 553: 548: 543: 538: 533: 528: 523: 518: 513: 508: 503: 498: 496:Pro-innovation 493: 488: 483: 481:Overton window 478: 473: 468: 463: 458: 453: 448: 443: 438: 433: 428: 423: 418: 413: 408: 403: 398: 393: 388: 383: 378: 373: 368: 363: 362: 361: 351: 349:Dunning–Kruger 346: 341: 336: 331: 326: 321: 320: 319: 309: 304: 299: 294: 289: 288: 287: 277: 272: 267: 266: 265: 263:Correspondence 260: 258:Actor–observer 250: 245: 240: 235: 230: 224: 222: 217: 214: 213: 206: 205: 198: 191: 183: 175: 174: 155:(4): 337–353. 139: 112:(1): 207–215. 96: 54: 53: 51: 48: 41:cohort studies 9: 6: 4: 3: 2: 919: 908: 905: 903: 900: 898: 895: 894: 892: 877: 874: 872: 868: 867: 864: 858: 855: 853: 850: 848: 845: 844: 842: 838: 832: 829: 827: 824: 822: 819: 817: 814: 812: 809: 805: 802: 800: 797: 795: 794:United States 792: 790: 787: 785: 782: 780: 777: 775: 772: 770: 769:False balance 767: 766: 765: 762: 760: 757: 755: 752: 750: 747: 745: 742: 740: 737: 735: 732: 730: 727: 725: 724: 720: 718: 715: 713: 710: 709: 707: 703: 697: 694: 692: 689: 687: 684: 682: 679: 677: 674: 672: 669: 667: 664: 662: 659: 657: 654: 652: 649: 647: 644: 642: 641:Participation 639: 637: 634: 632: 629: 627: 624: 622: 619: 617: 614: 610: 609:Psychological 607: 606: 605: 602: 600: 597: 595: 592: 590: 587: 586: 584: 582: 578: 572: 569: 567: 564: 562: 559: 557: 554: 552: 549: 547: 544: 542: 539: 537: 534: 532: 529: 527: 524: 522: 519: 517: 514: 512: 509: 507: 504: 502: 499: 497: 494: 492: 489: 487: 484: 482: 479: 477: 474: 472: 469: 467: 464: 462: 459: 457: 454: 452: 449: 447: 444: 442: 439: 437: 434: 432: 429: 427: 424: 422: 419: 417: 414: 412: 409: 407: 404: 402: 399: 397: 394: 392: 389: 387: 384: 382: 379: 377: 376:Fading affect 374: 372: 369: 367: 364: 360: 357: 356: 355: 352: 350: 347: 345: 342: 340: 337: 335: 332: 330: 327: 325: 322: 318: 315: 314: 313: 310: 308: 305: 303: 300: 298: 295: 293: 290: 286: 283: 282: 281: 278: 276: 273: 271: 268: 264: 261: 259: 256: 255: 254: 251: 249: 246: 244: 241: 239: 236: 234: 231: 229: 226: 225: 223: 220: 215: 211: 204: 199: 197: 192: 190: 185: 184: 181: 170: 166: 162: 158: 154: 150: 143: 135: 131: 127: 123: 119: 115: 111: 107: 100: 92: 88: 83: 78: 74: 70: 66: 59: 55: 47: 44: 42: 37: 33: 31: 30:gold standard 27: 23: 19: 897:Epidemiology 754:In education 721: 705:Other biases 691:Verification 690: 676:Survivorship 626:Non-response 599:Healthy user 541:Substitution 516:Self-serving 312:Confirmation 280:Availability 228:Acquiescence 152: 148: 142: 109: 105: 99: 75:(2): 54–55. 72: 68: 58: 45: 38: 34: 21: 15: 821:Publication 774:Vietnam War 621:Length time 604:Information 546:Time-saving 406:Horn effect 396:Halo effect 344:Distinction 253:Attribution 248:Attentional 891:Categories 784:South Asia 759:Liking gap 571:In animals 536:Status quo 451:Negativity 354:Egocentric 329:Congruence 307:Commitment 297:Blind spot 285:Mean world 275:Automation 106:Biometrics 50:References 18:statistics 852:Debiasing 831:White hat 826:Reporting 739:Inductive 656:Selection 616:Lead time 589:Estimator 566:Zero-risk 531:Spotlight 511:Restraint 501:Proximity 486:Precision 446:Narrative 401:Hindsight 386:Frequency 366:Emotional 339:Declinism 270:Authority 243:Anchoring 233:Ambiguity 749:Inherent 712:Academic 686:Systemic 671:Spectrum 651:Sampling 631:Observer 594:Forecast 506:Response 466:Optimism 461:Omission 456:Normalcy 426:In-group 421:Implicit 334:Cultural 238:Affinity 91:29595130 871:General 869:Lists: 804:Ukraine 729:Funding 491:Present 476:Outcome 381:Framing 169:9871951 134:6871349 126:2530820 876:Memory 789:Sweden 779:Norway 646:Recall 416:Impact 292:Belief 210:Biases 167:  132:  124:  89:  764:Media 734:FUTON 122:JSTOR 907:Bias 165:PMID 130:PMID 87:PMID 26:bias 811:Net 696:Wet 157:doi 114:doi 77:doi 39:In 16:In 893:: 163:. 151:. 128:. 120:. 110:39 108:. 85:. 73:23 71:. 67:. 20:, 202:e 195:t 188:v 171:. 159:: 153:7 136:. 116:: 93:. 79::

Index

statistics
bias
gold standard
cohort studies
"Verification bias"
doi
10.1136/bmjebm-2018-110919
PMID
29595130
doi
10.2307/2530820
JSTOR
2530820
PMID
6871349
doi
10.1191/096228098676485370
PMID
9871951
v
t
e
Biases
Cognitive biases
Acquiescence
Ambiguity
Affinity
Anchoring
Attentional
Attribution

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