'Selection biases' presentation slideshows

Assessment and Treatment of Post-Stroke Depression

Assessment and Treatment of Post-Stroke Depression. Dr John McCahill MBChB,MRCPsych,FRCPC, Geriatric Psychiatrist, Alberta Hospital,Edmonton. John.McCahill@capitalhealth.ca. Goals of presentation. Describe etiology and incidence of post-stroke depression (PSD).

1.54k views • 34 slides

Plasma Concentration of TNF- ? and Risk of Recurrent Coronary Events

460 views • 32 slides

The National Evaluation Platform Approach

The National Evaluation Platform Approach. Robert E Black MD, MPH Institute for International Programs Bloomberg School of Public Health Johns Hopkins University . Outline. Why a new approach is needed National Evaluation Platforms (NEPs): The basics Country example: Malawi

444 views • 31 slides

Surveillance of HIV infection

Surveillance of HIV infection. UNAIDS/WHO Working Group on Global HIV/AIDS and STI Surveillance. Measuring the prevalence and incidence of HIV. PREVALENCE: Rate of HIV in a defined population. Period Prevalence : Rate of HIV over a specified period of time (usually 1 year)

685 views • 27 slides

Statistical Confirmations of Steroid Use?

Statistical Confirmations of Steroid Use?. Andy Dolphin Raytheon Company August 6, 2008. Outline. Background Adjusting Statistics Quantifying Players Abilities The Mitchell Report Sample Culling the Statistical Records. Background. Astronomy Stellar populations in nearby galaxies

344 views • 23 slides

Chapter 19

Chapter 19. Inadequate Designs and Design Criteria. Experimental and Nonexperimental Approaches.

411 views • 23 slides

Approaches to Synthesis of Heterogeneous Evidence

The following slides were presented at a meeting of potential editors and methods advisors for the proposed Cochrane review group in February 2008. The slides were designed to promote discussion rather than represent the views and directions of this group. Approaches to Synthesis of

295 views • 21 slides

Experimental Designs

Experimental Designs. Experiments are conducted to identify how independent variables influence some change in a dependent variable. Researcher-Related Threats to Internal Validity. Experimenter Effect Observer Bias Researcher Attribute Effect.

412 views • 13 slides