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Guessing strategies for treatment prediction under restricted randomization with unequal allocation.

Zhao W,  Everett CC,  Weng Y,  Berger VW
Contemp Clin Trials 2017 Aug;59:118-120
Major Program(s) or Research Group(s): Biometry
PubMed ID: 28526265
PMC ID: not available

Subjecting known facts to flawed empirical testing.

Berger VW
J Clin Epidemiol 2017 Apr;84:188
Major Program(s) or Research Group(s): Biometry
PubMed ID: 28063917
PMC ID: not available

Better alternatives to permuted block randomization for clinical trials with unequal allocation.

Zhao W,  Berger VW
Hematology 2017 Jan;22(1):61-63
Major Program(s) or Research Group(s): Biometry
PubMed ID: 27741936
PMC ID: not available

Risk of selection bias in randomized trials: further insight.

Berger VW
Trials 2016 Oct 7;17(1):485
Major Program(s) or Research Group(s): Biometry
PubMed ID: 27717392
PMC ID: PMC5055691

Sequence Generation and Allocation Concealment.

Berger VW
J Evid Based Dent Pract 2016 Jun;16(2):145-6
Major Program(s) or Research Group(s): Biometry
PubMed ID: 27449850
PMC ID: not available

Delayed unmasking and selection bias.

Berger VW,  Agnor R
Stat Med 2016 May 30;35(12):2111-2
PubMed ID: 27118631
PMC ID: not available

Comparing MTI randomization procedures to blocked randomization.

Berger VW,  Bejleri K,  Agnor R
Stat Med 2016 Feb 28;35(5):685-94
Major Program(s) or Research Group(s): Biometry
PubMed ID: 26337607
PMC ID: not available

Meta-analyses: Only as reliable as the primary studies on which they are based.

Berger VW
Int J Nurs Pract 2016 Feb;22(1):110
Major Program(s) or Research Group(s): Biometry
PubMed ID: 25355413
PMC ID: not available

Risk of bias: Worse than it appears.

Berger VW
Int J Nurs Pract 2016 Feb;22(1):111
Major Program(s) or Research Group(s): Biometry
PubMed ID: 26916061
PMC ID: not available

Response to letter by Berger: The success of masking should be tested routinely and correctly.

Berger VW
J Clin Epidemiol 2016 Jan;69:265-6
Major Program(s) or Research Group(s): Biometry
PubMed ID: 26123087
PMC ID: not available

In Reply--Is There a Need for "Bias Police" in Industry-Sponsored Research?

Prasad V,  Berger VW
Mayo Clin Proc 2016 Jan;91(1):121
Major Program(s) or Research Group(s): Biometry
PubMed ID: 26763516
PMC ID: not available

A review of randomization methods in clinical trials

Berger VW,  Antsygina O
Clinical Investigation 2016;5(12):847-853
Major Program(s) or Research Group(s): Biometry
PubMed ID: not available
PMC ID: not available

Hard-Wired Bias: How Even Double-Blind, Randomized Controlled Trials Can Be Skewed From the Start.

Prasad V,  Berger VW
Mayo Clin Proc 2015 Sep;90(9):1171-5
Major Program(s) or Research Group(s): Biometry
PubMed ID: 26277702
PMC ID: PMC4567484

Conflicts of Interest, Selective Inertia, and Research Malpractice in Randomized Clinical Trials: An Unholy Trinity.

Berger VW
Sci Eng Ethics 2015 Aug;21(4):857-74
Major Program(s) or Research Group(s): Biometry
PubMed ID: 25150846
PMC ID: PMC4339669

A note on non-inferiority margins.

Berger VW
CJEM 2015 May;17(3):237-8
Major Program(s) or Research Group(s): Biometry
PubMed ID: 26034907
PMC ID: not available

A note on masking in the SOX trial.

Berger VW
Clin Trials 2015 Apr;12(2):177
Major Program(s) or Research Group(s): Biometry
PubMed ID: 25627430
PMC ID: PMC4355283

On the need for objective measures of risk of bias.

Berger VW,  Mickenautsch S
Contemp Clin Trials 2015 Mar;41:202-3
Major Program(s) or Research Group(s): Biometry
PubMed ID: 25666855
PMC ID: not available

CORR Insights®: do corresponding authors take responsibility for their work? A covert survey.

Berger VW
Clin Orthop Relat Res 2015 Feb;473(2):736-7
Major Program(s) or Research Group(s): Biometry
PubMed ID: 25183221
PMC ID: PMC4294883

A note on response-adaptive randomization.

Berger VW
Contemp Clin Trials 2015 Jan;40:240
Major Program(s) or Research Group(s): Biometry
PubMed ID: 25545024
PMC ID: not available

Evaluating the evaluation.

Berger VW
Clin Epidemiol 2015;7:117-8
Major Program(s) or Research Group(s): Biometry
PubMed ID: 25657595
PMC ID: PMC4315390

Failure to look beyond blocks is a mistake.

Berger VW
Methods Inf Med 2015;54(3):290
Major Program(s) or Research Group(s): Biometry
PubMed ID: 25762507
PMC ID: not available

Accuracy of the Berger-Exner test for detecting third-order selection bias in randomised controlled trials: a simulation-based investigation.

Mickenautsch S,  Fu B,  Gudehithlu S,  Berger VW
BMC Med Res Methodol 2014 Oct 6;14:114
Major Program(s) or Research Group(s): Biometry
PubMed ID: 25283963
PMC ID: PMC4209086

A note on conditional and unconditional allocation concealment

Berger VW
Clinical Investigation 2014;4(5):407-413
Major Program(s) or Research Group(s): Biometry
PubMed ID: not available
PMC ID: not available

A unifying framework for standard and covariate-adaptive randomization procedures based on minimizing suitable imbalance functions.

Berger VW
Contemp Clin Trials 2013 Nov;36(2):527-30
Major Program(s) or Research Group(s): Biometry
PubMed ID: 24120653
PMC ID: PMC3850514

CORR Insights ®: Have levels of evidence improved the quality of orthopaedic research?

Berger VW
Clin Orthop Relat Res 2013 Nov;471(11):3687-8
Major Program(s) or Research Group(s): Biometry
PubMed ID: 23904248
PMC ID: PMC3792239

Re: Compalati E, Canonica GW. Efficacy and safety of rupatadine for allergic rhino-conjunctivitis: a systematic review of randomized, double-blind, placebo-controlled studies with meta-analysis. Letter to the editor.

Berger VW,  Gudehithlu SK
Curr Med Res Opin 2013 Nov;29(11):1553-4
Major Program(s) or Research Group(s): Biometry
PubMed ID: 23971648
PMC ID: not available

Trial quality checklists: on the need to multiply (not add) scores.

Palys KE,  Berger VW,  Alperson S
Clin Oral Investig 2013 Sep;17(7):1789-90
Major Program(s) or Research Group(s): Biometry
PubMed ID: 23793406
PMC ID: not available

A note on the jadad score as an efficient tool for measuring trial quality.

Palys KE,  Berger VW
J Gastrointest Surg 2013 Jun;17(6):1170-1
Major Program(s) or Research Group(s): Biometry
PubMed ID: 23233271
PMC ID: not available

What do non-randomized trials offer above and beyond randomized trials?

Berger VW
Contemp Clin Trials 2013 May;35(1):168-9
Major Program(s) or Research Group(s): Biometry
PubMed ID: 23545076
PMC ID: not available

Re: Quality of reporting of modern randomized controlled trials in medical oncology: a systematic review.

Palys KE,  Berger VW
J Natl Cancer Inst 2013 Feb 6;105(3):244-5
Major Program(s) or Research Group(s): Biometry
PubMed ID: 23334222
PMC ID: not available

On the insufficiency of reporting masking.

Berger VW
J Rehabil Med 2013 Feb;45(2):221-2
Major Program(s) or Research Group(s): Biometry
PubMed ID: 23303555
PMC ID: not available

Reply to letter-to-the-editor: efficacy and degree of bias in knee injury prevention studies: a systematic review of RCTs.

Berger VW
Clin Orthop Relat Res 2013 Jan;471(1):341-2
Major Program(s) or Research Group(s): Biometry
PubMed ID: 23129476
PMC ID: PMC3528924

Beyond Jadad: some essential features in trial quality

Alperson SY,  Berger VW
Clinical Investigation 2013;3(12):1119-1126
Major Program(s) or Research Group(s): Biometry
PubMed ID: not available
PMC ID: not available

Two-stage randomized trials: outstanding issues.

Berger VW
Stat Med 2012 Dec 20;31(29):4142; author reply 4143-4
Major Program(s) or Research Group(s): Biometry
PubMed ID: 23175161
PMC ID: PMC3867016

Unequal allocation and allocation concealment.

Palys KE,  Berger VW,  Grant WC
Stat Med 2012 Dec 20;31(29):4135-6; author reply 4137
Major Program(s) or Research Group(s): Biometry
PubMed ID: 23175158
PMC ID: not available

On the need for competent evaluation of trial quality.

Palys KE,  Berger VW
Respir Med 2012 Dec;106(12):1804-5; author reply 1806
Major Program(s) or Research Group(s): Biometry
PubMed ID: 22959912
PMC ID: not available

Conservative handling of missing information.

Berger VW
J Clin Epidemiol 2012 Nov;65(11):1237-9
Major Program(s) or Research Group(s): Biometry
PubMed ID: 23017643
PMC ID: not available

De facto masking and other measures to prevent contamination.

Berger VW
J Clin Epidemiol 2012 Nov;65(11):1236; author reply 1236-7
Major Program(s) or Research Group(s): Biometry
PubMed ID: 23017642
PMC ID: not available

Internal validity and the risk of bias: a case for a comprehensive review.

Berger VW
J Anesth 2012 Oct;26(5):802-3
Major Program(s) or Research Group(s): Biometry
PubMed ID: 22653407
PMC ID: not available

Out of the frying pan and in to the fire?

Berger VW
Biometrics 2012 Sep;68(3):990; author reply 990-1
Major Program(s) or Research Group(s): Biometry
PubMed ID: 23013224
PMC ID: not available

Conservative handling of cluster randomized trials.

Berger VW
Clin Trials 2012 Jun;9(3):371; author reply 372
Major Program(s) or Research Group(s): Biometry
PubMed ID: 22692808
PMC ID: not available

Conservative handling of missing data.

Berger VW
Contemp Clin Trials 2012 May;33(3):460
Major Program(s) or Research Group(s): Biometry
PubMed ID: 22366777
PMC ID: not available

Discussion of the paper of Ghosh, Taylor, and Sargent.

Berger VW,  Izmirlian G,  Knoll D
Biometrics 2012 Mar;68(1):239-7
Major Program(s) or Research Group(s): Biometry
PubMed ID: 21696380
PMC ID: not available

Keep digging until we get the result we want?

Berger VW
Contemp Clin Trials 2012 Jan;33(1):12
Major Program(s) or Research Group(s): Biometry
PubMed ID: 22001359
PMC ID: not available

Can objective endpoints be manipulated in unmasked trials?

Berger VW
Stat Med 2011 Dec 30;30(30):3573-4; author reply 3575
Major Program(s) or Research Group(s): Biometry
PubMed ID: 22161953
PMC ID: not available

Recognizing chronological bias for what it is.

Berger VW
Clin Trials 2011 Dec;8(6):768; author reply 769
Major Program(s) or Research Group(s): Biometry
PubMed ID: 22167114
PMC ID: not available

Different name, same problems.

Berger VW
Contemp Clin Trials 2011 Nov;32(6):785
Major Program(s) or Research Group(s): Biometry
PubMed ID: 21864720
PMC ID: not available

Commentary on Lin MF, Hsieh YJ, Fetzer S & Hsu MC (2011) A randomised controlled trial of the effect of music therapy and verbal relaxation on chemotherapy-induced anxiety. Journal of Clinical Nursing 20, 988-999.

Berger VW
J Clin Nurs 2011 Oct;20(19-20):2980
Major Program(s) or Research Group(s): Biometry
PubMed ID: 21902742
PMC ID: not available

A note on the evaluation of BoNTA trial quality.

Berger VW,  Knoll D
Inflammopharmacology 2011 Oct;19(5):243-4
Major Program(s) or Research Group(s): Biometry
PubMed ID: 21877123
PMC ID: not available

Minimization: not all it's cracked up to be.

Berger VW
Clin Trials 2011 Aug;8(4):443; author reply 444
Major Program(s) or Research Group(s): Biometry
PubMed ID: 21835864
PMC ID: not available

Assessing the success of masking in acupuncture trials: further insight.

Berger VW
Chin J Integr Med 2011 Jul;17(7):546
Major Program(s) or Research Group(s): Biometry
PubMed ID: 21725882
PMC ID: not available

Opposing systematic reviews: the effects of two quality rating instruments on evidence regarding t'ai chi and bone mineral density in postmenopausal women.

Alperson SY,  Berger VW
J Altern Complement Med 2011 May;17(5):389-95
Major Program(s) or Research Group(s): Biometry
PubMed ID: 21548814
PMC ID: PMC3096495

Levels of evidence: further insight on Gugiu and Gugiu.

Berger VW,  Knoll D
Eval Health Prof 2011 Mar;34(1):124-30
Major Program(s) or Research Group(s): Biometry
PubMed ID: 21177639
PMC ID: not available

Intent-to-randomize corrections for missing data resulting from run-in selection bias in clinical trials for chronic conditions.

Berger VW,  Vali B
J Biopharm Stat 2011 Mar;21(2):263-70
Major Program(s) or Research Group(s): Biometry
PubMed ID: 21391000
PMC ID: not available

Assessing the quality of surgical trials: further insight.

Berger VW
Ann Surg 2011 Feb;253(2):420-1; author reply 421
Major Program(s) or Research Group(s): Biometry
PubMed ID: 21173689
PMC ID: not available

Intent-to-treat: further insight.

Berger VW
Res Nurs Health 2011 Feb;34(1):4; author reply 5-6
Major Program(s) or Research Group(s): Biometry
PubMed ID: 20957665
PMC ID: not available

Assessing the quality of randomization and allocation concealment.

Berger VW
Osteoarthritis Cartilage 2010 Oct;18(10):1361; author reply 1362
Major Program(s) or Research Group(s): Biometry
PubMed ID: 20650327
PMC ID: not available

Minimization, by its nature, precludes allocation concealment, and invites selection bias.

Berger VW
Contemp Clin Trials 2010 Sep;31(5):406
Major Program(s) or Research Group(s): Biometry
PubMed ID: 20457277
PMC ID: PMC2930067

Testing for baseline balance: can we finally get it right?

Berger VW
J Clin Epidemiol 2010 Aug;63(8):939-2
Major Program(s) or Research Group(s): Biometry
PubMed ID: 20456920
PMC ID: PMC2904824

Sensitivity designs for preventing bias replication in randomized clinical trials.

Berger VW,  Grant WC,  Vazquez LF
Stat Methods Med Res 2010 Aug;19(4):415-24
Major Program(s) or Research Group(s): Biometry
PubMed ID: 20488837
PMC ID: not available

Making statistics boring again.

Berger VW
Stat Med 2010 Jun 15;29(13):1458
Major Program(s) or Research Group(s): Biometry
PubMed ID: 20527016
PMC ID: not available

Letter to the editor. "Exact permutation tests for correlated binomial variables" by J. Yu, J. L. Kepner and R. Iyer.

Berger VW
Biom J 2010 Jun;52(3):436-9
Major Program(s) or Research Group(s): Biometry
PubMed ID: 20535744
PMC ID: not available

Randomization, permuted blocks, masking, allocation concealment, and selection bias in the Tobacco Quit Line Study.

Berger VW
Contemp Clin Trials 2010 May;31(3):201
Major Program(s) or Research Group(s): Biometry
PubMed ID: 20219696
PMC ID: not available

Allocation concealment continues to be misunderstood.

Berger VW,  Do AC
J Clin Epidemiol 2010 Apr;63(4):468-70
Major Program(s) or Research Group(s): Biometry
PubMed ID: 20004551
PMC ID: not available

The (lack of) quality in assessing the quality of transplantation trials.

Berger VW
Transpl Int 2009 Oct;22(10):1029; author reply 1023
Major Program(s) or Research Group(s): Biometry
PubMed ID: 19497066
PMC ID: not available

Valid, adaptive, data-driven comparisons of binary end points.

Berger VW
J Clin Epidemiol 2009 Oct;62(10):1112; author reply 1112-3
Major Program(s) or Research Group(s): Biometry
PubMed ID: 19699055
PMC ID: PMC2754855

Right conclusion, wrong method.

Berger VW
Eur J Contracept Reprod Health Care 2009 Aug;14(4):317-20
Major Program(s) or Research Group(s): Biometry
PubMed ID: 19418374
PMC ID: PMC2715442

Do methodological flaws invalidate a randomized trial of lifestyle modification programs in obese patients?

Berger VW
Ann Intern Med 2009 Jul 7;151(1):70; author reply 70-1
Major Program(s) or Research Group(s): Biometry
PubMed ID: 19581650
PMC ID: PMC4318651

Chewing gum and caries.

Berger VW
J Am Dent Assoc 2009 Jun;140(6):638, 640; author reply 640
Major Program(s) or Research Group(s): Biometry
PubMed ID: 19491155
PMC ID: not available

Do not test for baseline imbalances unless they are known to be present?

Berger VW
Qual Life Res 2009 May;18(4):399
Major Program(s) or Research Group(s): Biometry
PubMed ID: 19241142
PMC ID: PMC2664400

A general framework for the evaluation of clinical trial quality.

Berger VW,  Alperson SY
Rev Recent Clin Trials 2009 May;4(2):79-88
Major Program(s) or Research Group(s): Biometry
PubMed ID: 19463104
PMC ID: PMC2694951

Potential for technical errors and subverted allocation can be reduced if certain guidelines are followed: examples from a web-based survey.

Hewitt CE,  Torgerson DJ,  Berger VW
J Clin Epidemiol 2009 Mar;62(3):261-9
Major Program(s) or Research Group(s): Biometry
PubMed ID: 18823755
PMC ID: not available

Re-formulating non-inferiority trials as superiority trials: The case of binary outcomes.

Durkalski VL,  Berger VW
Biom J 2009 Feb;51(1):185-92
Major Program(s) or Research Group(s): Biometry
PubMed ID: 19197960
PMC ID: not available

A Socratic Dialogue.

Berger VW
J Mod Appl Stat Meth 2009;8(1, Article 30):316-321
Major Program(s) or Research Group(s): Biometry
PubMed ID: not available
PMC ID: not available

Polyol-containing chewing gums: flawed evidence.

Berger VW
Evid Based Dent 2009;10(2):36; author reply 36
Major Program(s) or Research Group(s): Biometry
PubMed ID: 19561570
PMC ID: not available

Regarding paper "A note on P-values for two-sided tests".

Berger VW
Biom J 2008 Dec;50(6):1093-7
Major Program(s) or Research Group(s): Biometry
PubMed ID: 19035556
PMC ID: not available

Controversies in clinical trials.

Berger VW
Stat Methods Med Res 2008 Jun;17(3):229-30
Major Program(s) or Research Group(s): Biometry
PubMed ID: 17925314
PMC ID: not available

On improving research methodology in clinical trials.

Berger VW,  Matthews JR,  Grosch EN
Stat Methods Med Res 2008 Jun;17(3):231-42
Major Program(s) or Research Group(s): Biometry
PubMed ID: 17925317
PMC ID: not available

Comments.

Berger VW,  Zhang S,  Zhou YY
Stat Sinica 2008 Jan;18(1):55-58
Major Program(s) or Research Group(s): Biometry
PubMed ID: not available
PMC ID: not available
View PDF

On confusing prima facie validity with true validity.

Berger VW,  Gee E
Br J Dermatol 2007 Aug;157(2):425-6
Major Program(s) or Research Group(s): Biometry
PubMed ID: 17596152
PMC ID: not available

The analysis of stratified 2 x 2 contingency tables.

Berger VW,  Stefanescu C,  Zhou YY
Biom J 2006 Dec;48(6):992-1007
Major Program(s) or Research Group(s): Biometry
PubMed ID: 17240657
PMC ID: not available

Can pain be quantified numerically?

Berger VW
J Rheumatol 2006 Nov;33(11):2364-5; author reply 2365
Major Program(s) or Research Group(s): Biometry
PubMed ID: 17086620
PMC ID: not available

Is the Jadad score the proper evaluation of trials?

Berger VW
J Rheumatol 2006 Aug;33(8):1710-2
Major Program(s) or Research Group(s): Biometry
PubMed ID: 16881132
PMC ID: not available

Misguided precedent is not a reason to use permuted blocks.

Berger VW
Headache 2006 Jul-Aug;46(7):1210-2
Major Program(s) or Research Group(s): Biometry
PubMed ID: 16866731
PMC ID: not available

Response to Klassen et al: Missing data should be more heartily penalized.

Berger VW
J Clin Epidemiol 2006 Jul;59(7):759-60
Major Program(s) or Research Group(s): Biometry
PubMed ID: 16765281
PMC ID: not available

Varying the block size does not conceal the allocation.

Berger VW
J Crit Care 2006 Jun;21(2):229; author reply 229-30
Major Program(s) or Research Group(s): Biometry
PubMed ID: 16769475
PMC ID: not available

Evaluating research training outcomes: experience from the cancer prevention fellowship program at the National Cancer Institute.

Dores GM,  Chang S,  Berger VW,  Perkins SN,  Hursting SD,  Weed DL
Acad Med 2006 Jun;81(6):535-41
Major Program(s) or Research Group(s): Biometry
PubMed ID: 16728801
PMC ID: not available

Critical appraisal of individual trials?

Berger VW
Am J Gastroenterol 2006 May;101(5):1156-7; author reply 1157
Major Program(s) or Research Group(s): Biometry
PubMed ID: 16696793
PMC ID: not available

Do not use blocked randomization.

Berger VW
Headache 2006 Feb;46(2):343; author reply 343-5
Major Program(s) or Research Group(s): Biometry
PubMed ID: 16492254
PMC ID: not available

A review of methods for ensuring the comparability of comparison groups in randomized clinical trials.

Berger VW
Rev Recent Clin Trials 2006 Jan;1(1):81-6
Major Program(s) or Research Group(s): Biometry
PubMed ID: 18393784
PMC ID: not available

What does biostatistics mean to us.

Berger VW,  Matthews JR
Mens Sana Monogr 2006 Jan;4(1):89-103
Major Program(s) or Research Group(s): Biometry
PubMed ID: 22013335
PMC ID: PMC3190464

The reverse propensity score to detect selection bias and correct for baseline imbalances.

Berger VW
Stat Med 2005 Sep 30;24(18):2777-87
Major Program(s) or Research Group(s): Biometry
PubMed ID: 15981305
PMC ID: not available

Conducting today's trials by tomorrow's standards.

Berger VW,  Matthews JR
Pharmaceut Statist 2005 Sep 1;4(3)
Major Program(s) or Research Group(s): Biometry
PubMed ID: not available
PMC ID: not available

Allocation concealment and blinding: when ignorance is bliss.

Berger VW
Med J Aust 2005 Aug 1;183(3):165; author reply 166
Major Program(s) or Research Group(s): Biometry
PubMed ID: 16053426
PMC ID: not available

Refining the assessment of the sensitivity and specificity of diagnostic tests, with applications to prostate cancer screening and non-small cell lung cancer staging.

Berger VW,  Semanick L
Rev Panam Salud Publica 2005 Jul;18(1):64-70
Major Program(s) or Research Group(s): Biometry
PubMed ID: 16105328
PMC ID: not available

Adjusting for observable selection bias in block randomized trials.

Ivanova A,  Barrier RC Jr,  Berger VW
Stat Med 2005 May 30;24(10):1537-46
Major Program(s) or Research Group(s): Biometry
PubMed ID: 15723426
PMC ID: not available

Nonparametric adjustment techniques for binary covariates.

Berger VW
Biom J 2005 Apr;47(2):199-205
Major Program(s) or Research Group(s): Biometry
PubMed ID: 16389917
PMC ID: not available

Quantifying the magnitude of baseline covariate imbalances resulting from selection bias in randomized clinical trials.

Berger VW
Biom J 2005 Apr;47(2):119-39
Major Program(s) or Research Group(s): Biometry
PubMed ID: 16389910
PMC ID: not available

A novel criterion for selecting covariates.

Berger VW
Drug INF J 2005;39:233-241
Major Program(s) or Research Group(s): Biometry
PubMed ID: not available
PMC ID: not available

Training statisticians to be alert to the dangers of misapplying statistical methods when they do not apply.

Berger VW
J Mod Appl Stat Meth 2005;4(2):587-590
Major Program(s) or Research Group(s): Biometry
PubMed ID: not available
PMC ID: not available

Analysis of trichotomous pharmaceutical endpoints.

Berger VW,  Durkalski VL
J Biopharm Stat 2005;15(4):739-45
Major Program(s) or Research Group(s): Biometry
PubMed ID: 16022176
PMC ID: not available

The Decameron of poor research.

Berger VW,  Ioannidis JP
BMJ 2004 Dec 18;329(7480):1436-40
Major Program(s) or Research Group(s): Biometry
PubMed ID: 15604177
PMC ID: PMC535970

On the generation and ownership of alpha in medical studies.

Berger VW
Control Clin Trials 2004 Dec;25(6):613-9
Major Program(s) or Research Group(s): Biometry
PubMed ID: 15588747
PMC ID: not available

Validate adjustment for binary covariates of randomized binary comparisons.

Berger VW
Biomet J 2004 Oct 11;46(5):589-594
Major Program(s) or Research Group(s): Biometry
PubMed ID: not available
PMC ID: not available

Ensuring the comparability of comparison groups: is randomization enough?

Berger VW,  Weinstein S
Control Clin Trials 2004 Oct;25(5):515-24
Major Program(s) or Research Group(s): Biometry
PubMed ID: 15465620
PMC ID: not available

Does the Prentice criterion validate surrogate endpoints?

Berger VW
Stat Med 2004 May 30;23(10):1571-8
Major Program(s) or Research Group(s): Biometry
PubMed ID: 15122737
PMC ID: not available

Selection bias and baseline imbalances in radomized trials.

Berger VW
Drug Inf J 2004;38:1-2
Major Program(s) or Research Group(s): Biometry
PubMed ID: not available
PMC ID: not available

Adjusting for ordinal covariates by including a partial ordering.

Berger VW,  Zhou YY,  Ivanova A,  Tremmel L
Biometrical J 2004;46(1):48-55
Major Program(s) or Research Group(s): Biometry
PubMed ID: not available
PMC ID: not available

Quantifying the proportion of cases attributable to an exposure.

Fuchs C,  Berger VW
J Mod Appl Stat Meth 2004;3(1):48-55
Major Program(s) or Research Group(s): Biometry
PubMed ID: not available
PMC ID: not available

Additional reflections on significance testing.

Berger VW
J Mod Appl Stat Meth 2003 Nov;2(2):5124-515
Major Program(s) or Research Group(s): Biometry
PubMed ID: not available
PMC ID: not available

Minimizing predictability while retaining balance through the use of less restrictive randomization procedures.

Berger VW,  Ivanova A,  Knoll MD
Stat Med 2003 Oct 15;22(19):3017-28
Major Program(s) or Research Group(s): Biometry
PubMed ID: 12973784
PMC ID: not available

Direct effect on validity of response run-in selection in clinical trials.

Berger VW,  Rezvani A,  Makarewicz VA
Control Clin Trials 2003 Apr;24(2):156-66
Major Program(s) or Research Group(s): Biometry
PubMed ID: 12689737
PMC ID: not available

When can a clinical trial be called 'randomized'?

Berger VW,  Bears JD
Vaccine 2003 Jan 17;21(5-6):468-72
Major Program(s) or Research Group(s): Biometry
PubMed ID: 12531645
PMC ID: not available

Randomization technique, allocation concealment, masking, and susceptibility of trials to selection bias.

Berger VW,  Christophi CA
Journal of Modern Applied Statistical Methods 2003;2(1):80-86
Major Program(s) or Research Group(s): Biometry
PubMed ID: not available
PMC ID: not available

Improving the information content of categorical clinical trial endpoints.

Berger VW
Control Clin Trials 2002 Oct;23(5):502-14
Major Program(s) or Research Group(s): Biometry
PubMed ID: 12392864
PMC ID: not available

Bias of linear rank tests for stochastic order in ordered categorical data.

Berger VW,  Ivanova A
J Stat Plan Infer 2002 Sep 1;107(1-2):237-0
Major Program(s) or Research Group(s): Biometry
PubMed ID: not available
PMC ID: not available

Adaptive tests for ordinal data.

Berger VW,  Ivanova A
J Mod Appl Stat Meth 2002;1(2):269-280 Article 36
Major Program(s) or Research Group(s): Biometry
PubMed ID: not available
PMC ID: not available

Parametric analyses in randomized clinical trials.

Berger VW,  Lunneborg C,  Ernst MD,  Levine JG
J Mod Appl Stat Meth 2002 Winter;1(1 Article 11):74-82
Major Program(s) or Research Group(s): Biometry
PubMed ID: not available
PMC ID: not available

Drawbacks to integer scoring for ordered categorical data.

Ivanova A,  Berger VW
Biometrics 2001 Jun;57(2):567-70
Major Program(s) or Research Group(s): Biometry
PubMed ID: 11414585
PMC ID: not available

The p-value interval as an inferential tool.

Berger VW
J Roy Stat Soc Series D Stat 2001;50:79-85, Part: 1
Major Program(s) or Research Group(s): Biometry
PubMed ID: not available
PMC ID: not available

Permutation tests for phase III clinical trials.

Berger VW,  Ivanova A
2001
Millard SP,  Krause A
Applied Statistics in the Pharmaceutical Industry with Case Studies Using S-PLUS.
ISBN: not available
Major Program(s) or Research Group(s): Biometry

Pros and cons of permutation tests in clinical trials.

Berger VW
Stat Med 2000 May 30;19(10):1319-28
Major Program(s) or Research Group(s): Biometry
PubMed ID: 10814980
PMC ID: not available

Critique of Ludbrook and Dudley.

Berger VW
Am Stat 2000;54(1):85-86
Major Program(s) or Research Group(s): Biometry
PubMed ID: not available
PMC ID: not available

New look at rank tests in ordered 2xk contingency tables.

Permutt T,  Berger VW
Commun Stat Theor 2000;29(5-6):989-1003
Major Program(s) or Research Group(s): Biometry
PubMed ID: not available
PMC ID: not available

Exact inference for growth curves with intraclass correlation structure.

Weerahandi S,  Berger VW
Biometrics 1999 Sep;55(3):921-4
Major Program(s) or Research Group(s): Biometry
PubMed ID: 11315029
PMC ID: not available

Detecting selection bias in randomized clinical trials.

Berger VW,  Exner DV
Control Clin Trials 1999 Aug;20(4):319-27
Major Program(s) or Research Group(s): Biometry
PubMed ID: 10440559
PMC ID: not available

Admissibility of exact conditional tests of stochastic order.

Berger VW
J Stat Plan Infer 1998 Jan 5;66(1):39-50
Major Program(s) or Research Group(s): Biometry
PubMed ID: not available
PMC ID: not available

Improving tests for superior treatment in contingency tables.

Berger V,  Sackrowitz H
Journal of The American Statistical Association 1997 Jun;92(438):700-705
Major Program(s) or Research Group(s): Biometry
PubMed ID: not available
PMC ID: not available

Iron repletion attenuates the protective effects of iron deficiency in DMBA-induced mammary tumors in rats.

Hrabinski D,  Hertz JL,  Tantillo C,  Berger V,  Sherman AR
Nutr Cancer 1995;24(2):133-42
Major Program(s) or Research Group(s): Biometry
PubMed ID: 8584449
PMC ID: not available