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Tim Croudace tjc39@cam.ac.uk Department of Psychiatry

From Data to Paper (via Stata). Newnham College, May 2008. Tim Croudace tjc39@cam.ac.uk Department of Psychiatry 1- Senior Lecturer (Psychometric Epidemiology) 2- Dept of Health Career Scientist (Public Health) 3- Director of Research: The Psychometrics Centre, Cambridge.

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Tim Croudace tjc39@cam.ac.uk Department of Psychiatry

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  1. From Data to Paper (via Stata) Newnham College, May 2008 Tim Croudace tjc39@cam.ac.uk Department of Psychiatry 1- Senior Lecturer (Psychometric Epidemiology) 2- Dept of Health Career Scientist (Public Health) 3- Director of Research: The Psychometrics Centre, Cambridge

  2. [GHQ-12 Data]Croudace et al (2003) n=1000+

  3. [GHQ-12 Data]summarize / genscore / codebook

  4. [GHQ-12 Data]tab ghq*

  5. [GHQ-12 Data]multihist ghq*

  6. [GHQ-12 Data]multihist ghqscore

  7. [GHQ-12 Data 1234]corrtab 6 items

  8. [GHQ-12 Data 1234] corrtabitems and total scoreSpearman (w/o p-values)

  9. Sample n=250 at randomfrom n=1119

  10. Rasch model (CML estimation)for 6 GHQ items (positive)raschtest

  11. Rasch model (CML estimation)for 6 GHQ items (positive)

  12. Rasch model (CML estimation)for 6 GHQ items (positive)icc

  13. Rasch model (CML estimation)for 6 GHQ items (positive)graph

  14. Rasch model (CML estimation)for 6 GHQ items (positive)info

  15. Rasch model (CML estimation)for 6 GHQ items (positive)fitgraph

  16. Rasch model (CML estimation)for 6 GHQ items (positive)split

  17. Rasch model (MML estimation)for 6 GHQ items (positive)method(MML)

  18. Rasch model (MML estimation)for 12 GHQ items

  19. Rasch model (MML estimation)for 12 GHQ items

  20. Rasch model (MML estimation)for 12 GHQ items

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