TY  - BOOK
AU  - Weisberg,Herbert I.
TI  - Bias and causation: models and judgment for valid comparisons 
T2  - Wiley series in probability and statistics
SN  - 9780470631096 (electronic bk.)
PY  - 2010///
CY  - Hoboken, N.J.
PB  - Wiley
KW  - Discriminant analysis
KW  - Paired comparisons (Statistics)
N1  - Includes bibliographical references (p. 321-339) and index; What is bias? -- Causality and comparative studies -- Estimating causal effects -- Varieties of bias -- Selection bias -- Confounding : an enigma? -- Confounding : essence, correction, and detection -- Intermediate causal factors -- Information bias -- Sources of bias -- Contending with bias -- Glossary; Online version restricted to NUS staff and students only through NUSNET
ER  -