Mediating variable - PowerPoint PPT Presentation

C onfounders and Interactions: An Introduction

C onfounders and Interactions: An Introduction. Manoranjan Pal Indian Statistical Institute Kolkata, India Manoranjan.pal@gmail.com mano@isical.ac.in. An Example. Data were collected from some students in department of an university on the following variables:

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1.28k views • 113 slides

Chapter 2

Chapter 2. Research Approaches and Methods of Data Collection. Research Approaches. Experimental versus Descriptive Research Experimental attempts to identify cause and effect relationships through psychological experiments Descriptive

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THREE CONCEPTS ABOUT THE RELATIONSHIPS OF VARIABLES IN RESEARCH

THREE CONCEPTS ABOUT THE RELATIONSHIPS OF VARIABLES IN RESEARCH. CONFOUNDING MEDIATION EFFECT MODIFICATION, INTERACTION OR MODERATION. THINKING ABOUT THE WAYS IN WHICH VARIABLES MAY BE RELATED ILLUMINATES BIAS AND CONFOUNDING. ILLUSTRATION OF CONFOUNDING.

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683 views • 28 slides

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