'Plausible values' diaporamas de présentation

Scaling of the Cognitive Data and Use of Student Performance Estimates

Scaling of the Cognitive Data and Use of Student Performance Estimates. Guide to the PISA Data Analysis Manual. Classical Test Theory versus Item Response Theory. Questions What is the Rasch model? Why do International S urveys use the Rasch model or another IRT model?

895 views • 77 slides

HRP 223 - 2008

710 views • 58 slides

Synthesis and Review 2/20/12

Synthesis and Review 2/20/12. Hypothesis Tests: the big picture Randomization distributions Connecting intervals and tests Review of major topics Open Q+A. Section 4.4, 4.5, ES 2. Professor Kari Lock Morgan Duke University. To Do.

549 views • 44 slides

Synthesis and Review 2/20/12

Synthesis and Review 2/20/12. Hypothesis Tests: the big picture Randomization distributions Connecting intervals and tests Review of major topics Open Q+A. Section 4.4, 4.5, ES 2. Professor Kari Lock Morgan Duke University. To Do.

565 views • 44 slides

Some Methods for Statistical Harmonization A fantastically brief introduction

Some Methods for Statistical Harmonization A fantastically brief introduction. ?MCA - Psychometrics and Measurement in Cognit?ve Aging Lake Tahoe, CA Alden Gross Dept. Epidemiology, Johns Hopkins Bloomberg School of Public Health. ?MCA. Outline. What is harmonization?

549 views • 40 slides

Statistics and Data Analysis

505 views • 37 slides

Introduction to plausible values

Introduction to plausible values. ICCS IDB Training Seminar Hamburg, 24-26 November 2010. Content of presentation. Rationale for scaling Rasch model and possible ability estimates Shortcomings of point estimates Drawing plausible values Computation of measurement error.

598 views • 29 slides

Andrew Ho, Harvard Graduate School of Education

282 views • 27 slides

Late HIV Diagnoses, Georgia, 2011-2012

Late HIV Diagnoses, Georgia, 2011-2012. Background. Late HIV diagnosis is defined as first CD4 within 12 months of diagnosis <200 cells/ml Late HIV diagnosis is associated with shorter lifespan compared to those with earlier diagnosis.

336 views • 24 slides

Volunteer Angler Data Collection and Methods of Inference

Volunteer Angler Data Collection and Methods of Inference . Kristen Olson University of Nebraska-Lincoln February 2, 2012. Two perspectives on survey statistics. Survey quality framework ( Biemer and Lyberg , 2003) Adopted by many national statistical organizations around the world

355 views • 23 slides

6. Statistical Inference: Significance Tests

360 views • 17 slides

411 views • 13 slides

specify the set of alternative projects decide whose benefits and costs count (who has standing) list the impacts and determine how to measure them predict the impacts quantitatively over the life of the project. monetize impacts discount benefits and costs to obtain present values

570 views • 10 slides