Mystery of Cronbach’s Alpha: A Guide to Internal Consistency in Research You are a researcher—or perhaps a psychology student working on your thesis. You have a burning hypothesis. You believe that extroverted people earn higher salaries than introverted people. To prove this, you need data. You sit down, craft a brilliant questionnaire, and send it
Is Your Research Reliable? Understanding Fleiss’ Kappa Imagine you are the lead clinical psychologist at a busy diagnostic center. A new patient walks in displaying complex symptoms. You ask three different clinicians to assess this patient independently to determine if they meet the criteria for Major Depressive Disorder. Doctor A says “Yes.” Doctor B says
Determining Cause and Effect Research Are you a psychology researcher or student trying to unravel the mysteries of human behavior? Maybe you’re exploring whether stress causes burnout or if therapy reduces symptoms of PTSD. If so, determining cause and effect research is your key to unlocking definitive answers. Unlike studies that just show correlations, cause-and-effect