'Selection bias' presentation slideshows

Lung Cancer Screening

Lung Cancer Screening. Caryn Gee Morse, MD March 20, 2001. Lung Cancer: the problem . In the United States, the second most common cancer in men and women Leading cause of cancer mortality Accounts for more deaths from than cancer than breast, prostate and colorectal cancer combined.

1.25k views • 83 slides

The evidence: is 24-hour intensivist coverage beneficial?

The evidence: is 24-hour intensivist coverage beneficial?. Richard H. Savel, MD, FCCM Associate Professor of Clinical Medicine & Neurology Albert Einstein College of Medicine New York, NY. Talk Overview. Evidence for benefit of 24/7 Potential downsides of 24/7 Conclusions.

1.15k views • 70 slides

The Application of Evidence-Based Medicine to Achieve Progress in Pediatric Oncology

The Application of Evidence-Based Medicine to Achieve Progress in Pediatric Oncology. http://ctep.info.nih.gov/. Malcolm Smith, MD, PhD Pediatric Section, Clinical Investigations Branch 12 September, 2000. Outline. Introduction and historical perspective

828 views • 49 slides

An Epidemiological Study on E ffects of Air Pollutants on Respiratory Morbidity among Adults

An Epidemiological Study on E ffects of Air Pollutants on Respiratory Morbidity among Adults. By MANOJ KUMAR Guides Prof. Rajesh Kumar Prof. S.K. Jindal Dr. Madhu Khullar. Air pollution is causing immense concern in India. Ambient Air Quality in Major Cities During 2002.

589 views • 36 slides

Sebastian Galiani November 2006

Causal Inference. Sebastian Galiani November 2006. Motivation. The research questions that motivate most studies in the health sciences are causal in nature. For example:

618 views • 35 slides

Side-by-Side Management of Hedge Funds and Mutual Funds

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Importance of Media in the New American Democracy

964 views • 29 slides

How to write a study protocol

How to write a study protocol. Hanne-Merete Eriksen (based on Epiet 2004). Study protocol : What?. Describes every step of a study identification of the problem application of the results Answers relevant questions Public health problem: Important? Study question: relevant to the problem?

604 views • 29 slides

Lecture 5: Portfolio Diversification and Supporting Financial Institutions

Lecture 5: Portfolio Diversification and Supporting Financial Institutions. Portfolio Diversification. All that should matter to an investor is the performance of the entire portfolio. Mean and variance of portfolio matter

548 views • 28 slides

Impact Evaluation Methods: Difference in difference & Matching

David Evans Impact Evaluation Cluster, AFTRL. Africa Program for Education Impact Evaluation. Impact Evaluation Methods: Difference in difference & Matching. Slides by Paul J. Gertler & Sebastian Martinez. AFRICA IMPACT EVALUATION INITIATIVE, AFTRL. Measuring Impact. Randomized Experiments

2.03k views • 27 slides

Dealer Price Discrimination in New Car Purchases: Evidence from the Consumer Expenditure Survey Pinelopi Goldberg (JPE,

Dealer Price Discrimination in New Car Purchases: Evidence from the Consumer Expenditure Survey Pinelopi Goldberg (JPE, 1996). Presented by Jake Gramlich October 12, 2004. Introduction. Is there price discrimination in the new car market? Ayres & Siegelman (1995) Audit Study: yes

393 views • 21 slides

On the analysis of viral load endpoints in HIV vaccine trials

On the analysis of viral load endpoints in HIV vaccine trials Michael Hudgens, Antje Hoering and Steve Self Fred Hutchinson Cancer Research Center Seattle, WA USA VE S effect on susceptibility Primary objective of preventive efficacy trials Possible Vaccine Effects

602 views • 20 slides

Conditional cash transfers: Evaluation designs and impacts

Conditional cash transfers: Evaluation designs and impacts. Michelle Adato and John Hoddinott International Food Policy Research Institute Evaluations of Social Cash Transfer Schemes in Africa Washington, DC September 14-15, 2009. Introduction. What are CCTs? What are their goals?

613 views • 19 slides

Quasi-experimental Design

Quasi-experimental Design. CRJS 4466EA. Introduction. Quasi-experiment Describes non-randomly assigned participants and controls subject to impact assessment Most common design involves constructed comparisons Matching participants and comparisons Statistical adjustment.

2.6k views • 19 slides

Pitfalls in Experimental Research

Pitfalls in Experimental Research. Threats to Internal and External Validity. conceptual slippage faulty manipulation loose procedures order effects experimenter effects fudging researcher personal attribute effect researcher unintentional expectancy effect. sensitization

565 views • 17 slides

Ob/ Gyn Journal Club Notes

Ob/ Gyn Journal Club Notes. December 7, 2018 Martha A. Wojtowycz, PhD. Learning Objectives. Explain what is meant by allocation concealment and what purpose it serves in a randomized control study Disseminate the results of a RCT Interpret the Number Needed to Treat (NNT)

656 views • 16 slides

Randomized Controlled Trials in Rural Finance: An Example from India

Randomized Controlled Trials in Rural Finance: An Example from India. Michael Faye and Sendhil Mullainathan Harvard University March 2007 mfaye@fas.harvard.edu. Agenda. Randomized Controlled Trials in Finance Example from India: Jewelry Loans Experiment Background on Jewelry Loans

680 views • 15 slides

Limited Dependent Variables

Limited Dependent Variables. P ( y = 1| x ) = G ( b 0 + x b ) y* = b 0 + x b + u, y = max ( 0,y* ). Binary Dependent Variables. Recall the linear probability model, which can be written as P( y = 1| x ) = b 0 + x b

331 views • 15 slides

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205 views • 9 slides