In this video I discuss how we form impressions of others and how quickly and accurately we are able to form impressions. Thin slices theory suggests that we’re able to form impressions fairly quickly, though it’s unclear if these first … Read More
Expectation, Mindset, and IQ
In this video I discuss Rosenthal and Jacobson’s “Pygmalion in the Classroom” study on teacher expectations and student improvement as well as school tracking, the stability of IQ scores, Carol Dweck’s research on fixed and growth mindsets, and distinctions between … Read More
Observer Bias: Clever Horses and Dull Rats
In this video, I explain two well-known examples of observer bias: the case of Clever Hans, and Rosenthal and Fode’s experiment with “bright” and “dull” rats. Observer bias (or experimenter expectancy effect) is considered, along with an explanation for how … Read More