'Confounding bias' presentation slideshows

1.40 p=0.145

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600 views • 33 slides

What is evidence? Quality registers: use and misuse Jonas Ranstam PhD jonas.ranstam@med.lu.se

What is evidence? Quality registers: use and misuse Jonas Ranstam PhD jonas.ranstam@med.lu.se Dept of Clinical Sciences, Orthopedics, Lund University, Sweden. The truth, the whole truth, and nothing but the truth? Competent statistical analysis is crucial

409 views • 30 slides

Validity- An Overview

Validity- An Overview. YES. Initially, exposure to TCDD was classified according to job descriptions of the veterans selected for study. Classification of TCDD exposure by job descriptions:. If not properly done, then Confounding Bias.

312 views • 21 slides