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Workshops

Meta-Analytic Psychotherapy Research

On The Shoulders of Giants...
Definition
"Flavors" of Meta-Analysis
Meta-Analysis in Mental Health Care

"Exercises in Meta-Silliness"

Early Meta-Analyses
The Meta-Analytic Big Bang
The Great Psychotherapy Debate

A Brief Tour of Meta-Analysis Pitfalls

Defining The Research Question

Finding A Good Research Question
The PICO
Guidelines

Searching Databases

Data Extraction
Study Quality & Risk of Bias

Effect Sizes & Sampling Variances

Effect Sizes
Sampling Variances
Common Effect Sizes in Experimental Designs
The Number Needed To Treat

Pooling Effect Sizes

Statistical Models
The Equal-Effects Model
The Random-Effects Model
Between-Study Heterogeneity
Subgroup Analysis & Meta-Regression

Publication Bias

A Cautionary Tale
How Widespread Is the Problem?
Non-Reporting Biases & QRPs
Small-Study Effect Methods
Selection Models

Contents

Slides

The Number Needed To Treat

Slides

Keywords: NNT, Number Needed To Harm, Absolute Risk Reduction

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Common Effect Sizes in Experimental Designs

Last updated on 28. Januar 2023

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© Mathias Harrer 2023

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