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In this week's episode, I was excited to welcome Carlos Collares. Carlos is a medical toxicologist and occupational medicine physician who became a psychometrician, educationalist and entrepreneur. He moved from Brazil to the Netherlands to bring computerized adaptive testing to Dutch medical students, to popularize alternatives to multiple choice questions and to explore cognitive diagnostic modelling, a new approach to assessment for learning. Recently, he left his tenured position at Maastricht University to start his online course to help researchers with quantitative data analysis, educational measurement, and psychological assessment.\n\n\nIn this episode, Carlos walks us through his journey and why he was passionate about becoming an educationalist and entrepreneur. Carlos also describes the challenges we often encounter with testing mechanisms in the education system. Carlos also expands on psychometrics and cognitive diagnostic modelling, and we discuss what people need to look for when reviewing the validity and reliability of research findings. Finally, we cap the episode off with a brief discussion about Artificial Intelligence and some things we can be mindful of on the data side. \n\nI was excited to speak with Carlos on this episode because of what I got from it and because his passion for his work is obvious. I also wanted to help understand the nuance behind research work that often is not discussed. There are a lot of discussions where people cite research results; however, it is important to review some of these details to truly determine the validity and reliability of these research findings before we can make conclusions. \n\nPlease find Carlos online:\n\n\n\nInstagram: Psychometricsacademy\n\nTikTok: Pyschometricsacademy\n\nYouTube: Psychometricsacademy\n\nLinkedIn: Psychometricsacademy\n\nTwitter: Pyschometricsa\n\n\n\n\n--- \n\nSupport this podcast: https://podcasters.spotify.com/pod/show/furkhan-dandia/support\nLearn more about your ad choices. Visit megaphone.fm/adchoices