Experimental, Quasi-Experimental, and Ex Post Facto (Causal-Comparative) Research

Characteristics of Experimental Research

Characteristics of Quasi-Experimental Research

Characteristics of Ex Post Facto Research

Slide 5

Diagramming Research

A Sample Research Design

R O X1 O

R O X1 O

Internal Validity Threats

Internal Validity Threats

Internal Validity Threats

Internal Validity Threats

Internal Validity Threats

Internal Validity Threats

How to Handle Internal Validity Threats

Other Research Designs

Other Research Designs

Quasi-Experimental Designs

Quasi-Experimental Designs

Time Series Designs

External Validity

Population Validity

Personological Variables

Ecological Validity

Social Interaction Validity Threats

Social Interaction Validity Threats

Social Interaction Validity Threats

Social Interaction Validity Threats

Ex Post Facto (Causal-Comparative) Research

Statistical Analysis

Statistical Analysis

Statistical Analysis