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Cronbach's alpha.
Bland JM, Altman DG. Bland JM, et al. BMJ. 1997 Feb 22;314(7080):572. doi: 10.1136/bmj.314.7080.572. BMJ. 1997. PMID: 9055718 Free PMC article. No abstract available.
Statistics Notes: Validating scales and indexes.
Bland JM, Altman DG. Bland JM, et al. BMJ. 2002 Mar 9;324(7337):606-7. doi: 10.1136/bmj.324.7337.606. BMJ. 2002. PMID: 11884331 Free PMC article. No abstract available.
Absence of evidence is not evidence of absence.
Altman DG, Bland JM. Altman DG, et al. Among authors: bland jm. BMJ. 1995 Aug 19;311(7003):485. doi: 10.1136/bmj.311.7003.485. BMJ. 1995. PMID: 7647644 Free PMC article.
Some examples of regression towards the mean.
Bland JM, Altman DG. Bland JM, et al. BMJ. 1994 Sep 24;309(6957):780. doi: 10.1136/bmj.309.6957.780. BMJ. 1994. PMID: 7950567 Free PMC article. Review. No abstract available.
Quartiles, quintiles, centiles, and other quantiles.
Altman DG, Bland JM. Altman DG, et al. Among authors: bland jm. BMJ. 1994 Oct 15;309(6960):996. doi: 10.1136/bmj.309.6960.996. BMJ. 1994. PMID: 7950724 Free PMC article. No abstract available.
Matching.
Bland JM, Altman DG. Bland JM, et al. BMJ. 1994 Oct 29;309(6962):1128. doi: 10.1136/bmj.309.6962.1128. BMJ. 1994. PMID: 7987107 Free PMC article. No abstract available.
333 results